115233525551521 has 8 divisors (see below), whose sum is σ = 124152969568320. Its totient is φ = 106321985344272.

The previous prime is 115233525551513. The next prime is 115233525551539. The reversal of 115233525551521 is 125155525332511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 115233525551521 - 2³ = 115233525551513 is a prime.

It is a super-2 number, since 2×115233525551521² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115233525551321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1975922101 + ... + 1975980418.

It is an arithmetic number, because the mean of its divisors is an integer number (15519121196040).

Almost surely, 2^{115233525551521} is an apocalyptic number.

It is an amenable number.

115233525551521 is a deficient number, since it is larger than the sum of its proper divisors (8919444016799).

115233525551521 is a wasteful number, since it uses less digits than its factorization.

115233525551521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3951904775.

The product of its digits is 1125000, while the sum is 46.

The spelling of 115233525551521 in words is "one hundred fifteen trillion, two hundred thirty-three billion, five hundred twenty-five million, five hundred fifty-one thousand, five hundred twenty-one".