115226256672561 has 32 divisors (see below), whose sum is σ = 156298518921600. Its totient is φ = 75497019148800.

The previous prime is 115226256672539. The next prime is 115226256672623. The reversal of 115226256672561 is 165276652622511.

It is not a de Polignac number, because 115226256672561 - 2¹¹ = 115226256670513 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (115226256672521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 732964155 + ... + 733121343.

It is an arithmetic number, because the mean of its divisors is an integer number (4884328716300).

Almost surely, 2^{115226256672561} is an apocalyptic number.

It is an amenable number.

115226256672561 is a deficient number, since it is larger than the sum of its proper divisors (41072262249039).

115226256672561 is a wasteful number, since it uses less digits than its factorization.

115226256672561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175089.

The product of its digits is 18144000, while the sum is 57.

The spelling of 115226256672561 in words is "one hundred fifteen trillion, two hundred twenty-six billion, two hundred fifty-six million, six hundred seventy-two thousand, five hundred sixty-one".