1125053536 has 96 divisors (see below), whose sum is σ = 2407104000. Its totient is φ = 515953152.

The previous prime is 1125053507. The next prime is 1125053537. The reversal of 1125053536 is 6353505211.

It is a super-2 number, since 2×1125053536² = 2531490917732206592, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1125053498 and 1125053507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1125053537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2833690 + ... + 2834086.

It is an arithmetic number, because the mean of its divisors is an integer number (25074000).

Almost surely, 2^1125053536 is an apocalyptic number.

1125053536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1125053536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1203552000).

1125053536 is an abundant number, since it is smaller than the sum of its proper divisors (1282050464).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1125053536 is a wasteful number, since it uses less digits than its factorization.

1125053536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 564 (or 556 counting only the distinct ones).

The product of its (nonzero) digits is 13500, while the sum is 31.

The square root of 1125053536 is about 33541.8177205708. The cubic root of 1125053536 is about 1040.0584089483.

Adding to 1125053536 its reverse (6353505211), we get a palindrome (7478558747).

The spelling of 1125053536 in words is "one billion, one hundred twenty-five million, fifty-three thousand, five hundred thirty-six".