1125113580 has 144 divisors (see below), whose sum is σ = 3584337120. Its totient is φ = 285272064.

The previous prime is 1125113579. The next prime is 1125113581. The reversal of 1125113580 is 853115211.

1125113580 is a `hidden beast` number, since 112 + 511 + 35 + 8 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (1125113579) and next prime (1125113581).

It is not an unprimeable number, because it can be changed into a prime (1125113581) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 348132 + ... + 351348.

It is an arithmetic number, because the mean of its divisors is an integer number (24891230).

Almost surely, 2^1125113580 is an apocalyptic number.

1125113580 is a gapful number since it is divisible by the number (10) 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 1125113580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1792168560).

1125113580 is an abundant number, since it is smaller than the sum of its proper divisors (2459223540).

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

1125113580 is a wasteful number, since it uses less digits than its factorization.

1125113580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3328 (or 3323 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 27.

The square root of 1125113580 is about 33542.7127704364. The cubic root of 1125113580 is about 1040.0769112253.

Adding to 1125113580 its reverse (853115211), we get a palindrome (1978228791).

The spelling of 1125113580 in words is "one billion, one hundred twenty-five million, one hundred thirteen thousand, five hundred eighty".