115261351604451 has 96 divisors (see below), whose sum is σ = 194220213120000. Its totient is φ = 67396825267200.

The previous prime is 115261351604429. The next prime is 115261351604491. The reversal of 115261351604451 is 154406153162511.

115261351604451 is a `hidden beast` number, since 1 + 1 + 5 + 2 + 6 + 1 + 35 + 1 + 604 + 4 + 5 + 1 = 666.

It is not a de Polignac number, because 115261351604451 - 2¹¹ = 115261351602403 is a prime.

It is a super-2 number, since 2×115261351604451² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 115261351604397 and 115261351604406.

It is not an unprimeable number, because it can be changed into a prime (115261351604491) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 12210675 + ... + 19483923.

It is an arithmetic number, because the mean of its divisors is an integer number (2023127220000).

Almost surely, 2^{115261351604451} is an apocalyptic number.

115261351604451 is a deficient number, since it is larger than the sum of its proper divisors (78958861515549).

115261351604451 is a wasteful number, since it uses less digits than its factorization.

115261351604451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7273458 (or 7273439 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 45.

The spelling of 115261351604451 in words is "one hundred fifteen trillion, two hundred sixty-one billion, three hundred fifty-one million, six hundred four thousand, four hundred fifty-one".