115445525540421 has 32 divisors (see below), whose sum is σ = 162047598451200. Its totient is φ = 72999079912640.

The previous prime is 115445525540339. The next prime is 115445525540467. The reversal of 115445525540421 is 124045525544511.

It is not a de Polignac number, because 115445525540421 - 2³⁴ = 115428345671237 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115445525540491) 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, 555675 + ... + 15205256.

It is an arithmetic number, because the mean of its divisors is an integer number (5063987451600).

Almost surely, 2^{115445525540421} is an apocalyptic number.

It is an amenable number.

115445525540421 is a deficient number, since it is larger than the sum of its proper divisors (46602072910779).

115445525540421 is a wasteful number, since it uses less digits than its factorization.

115445525540421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15762449.

The product of its (nonzero) digits is 3200000, while the sum is 48.

The spelling of 115445525540421 in words is "one hundred fifteen trillion, four hundred forty-five billion, five hundred twenty-five million, five hundred forty thousand, four hundred twenty-one".