115421337623531 has 16 divisors (see below), whose sum is σ = 122255295337728. Its totient is φ = 108592323840000.

The previous prime is 115421337623491. The next prime is 115421337623573. The reversal of 115421337623531 is 135326733124511.

It is a cyclic number.

It is not a de Polignac number, because 115421337623531 - 2⁴² = 111023291112427 is a prime.

It is a super-2 number, since 2×115421337623531² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115421337673531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2108086406 + ... + 2108141156.

It is an arithmetic number, because the mean of its divisors is an integer number (7640955958608).

Almost surely, 2^{115421337623531} is an apocalyptic number.

115421337623531 is a deficient number, since it is larger than the sum of its proper divisors (6833957714197).

115421337623531 is a wasteful number, since it uses less digits than its factorization.

115421337623531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97622.

The product of its digits is 1360800, while the sum is 47.

The spelling of 115421337623531 in words is "one hundred fifteen trillion, four hundred twenty-one billion, three hundred thirty-seven million, six hundred twenty-three thousand, five hundred thirty-one".