115251335555 has 4 divisors (see below), whose sum is σ = 138301602672. Its totient is φ = 92201068440.

The previous prime is 115251335519. The next prime is 115251335569. The reversal of 115251335555 is 555533152511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 555533152511 = 157 ⋅3538427723.

It is a de Polignac number, because none of the positive numbers 2^k-115251335555 is a prime.

It is a super-2 number, since 2×115251335555² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11525133551 + ... + 11525133560.

It is an arithmetic number, because the mean of its divisors is an integer number (34575400668).

Almost surely, 2^115251335555 is an apocalyptic number.

115251335555 is a deficient number, since it is larger than the sum of its proper divisors (23050267117).

115251335555 is an equidigital number, since it uses as much as digits as its factorization.

115251335555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23050267116.

The product of its digits is 281250, while the sum is 41.

The spelling of 115251335555 in words is "one hundred fifteen billion, two hundred fifty-one million, three hundred thirty-five thousand, five hundred fifty-five".