1153255125 has 32 divisors (see below), whose sum is σ = 2093480064. Its totient is φ = 559152000.

The previous prime is 1153255111. The next prime is 1153255127. The reversal of 1153255125 is 5215523511.

It is not a de Polignac number, because 1153255125 - 2⁷ = 1153254997 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1153255092 and 1153255101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1153255127) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 135664 + ... + 143913.

It is an arithmetic number, because the mean of its divisors is an integer number (65421252).

Almost surely, 2^1153255125 is an apocalyptic number.

1153255125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1153255125 is a deficient number, since it is larger than the sum of its proper divisors (940224939).

1153255125 is a wasteful number, since it uses less digits than its factorization.

1153255125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279606 (or 279596 counting only the distinct ones).

The product of its digits is 7500, while the sum is 30.

The square root of 1153255125 is about 33959.6102009431. The cubic root of 1153255125 is about 1048.6771322391.

Adding to 1153255125 its reverse (5215523511), we get a palindrome (6368778636).

The spelling of 1153255125 in words is "one billion, one hundred fifty-three million, two hundred fifty-five thousand, one hundred twenty-five".