115421337623525 has 12 divisors (see below), whose sum is σ = 144539512702404. Its totient is φ = 91422841680000.

The previous prime is 115421337623491. The next prime is 115421337623573. The reversal of 115421337623525 is 525326733124511.

It can be written as a sum of positive squares in 6 ways, for example, as 44909662561 + 115376427960964 = 211919^2 + 10741342^2 .

It is not a de Polignac number, because 115421337623525 - 2³² = 115417042656229 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22855707896 + ... + 22855712945.

It is an arithmetic number, because the mean of its divisors is an integer number (12044959391867).

Almost surely, 2^{115421337623525} is an apocalyptic number.

It is an amenable number.

115421337623525 is a deficient number, since it is larger than the sum of its proper divisors (29118175078879).

115421337623525 is a wasteful number, since it uses less digits than its factorization.

115421337623525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45711420952 (or 45711420947 counting only the distinct ones).

The product of its digits is 4536000, while the sum is 50.

The spelling of 115421337623525 in words is "one hundred fifteen trillion, four hundred twenty-one billion, three hundred thirty-seven million, six hundred twenty-three thousand, five hundred twenty-five".