115130597481 has 81 divisors (see below), whose sum is σ = 178172613853. Its totient is φ = 74390105160.

The previous prime is 115130597447. The next prime is 115130597503. The reversal of 115130597481 is 184795031511.

The square root of 115130597481 is 339309.

It is a perfect power (a square), and thus also a powerful number.

115130597481 is a `hidden beast` number, since 1 + 1 + 5 + 13 + 0 + 597 + 48 + 1 = 666.

It is a tau number, because it is divible by the number of its divisors (81).

It is not a de Polignac number, because 115130597481 - 2¹³ = 115130589289 is a prime.

It is a super-2 number, since 2×115130597481² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115130497481) by changing a digit.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 1621557676 + ... + 1621557746.

Almost surely, 2^115130597481 is an apocalyptic number.

115130597481 is the 339309-th square number.

115130597481 is the 169655-th centered octagonal number.

It is an amenable number.

115130597481 is a deficient number, since it is larger than the sum of its proper divisors (63042016372).

115130597481 is an frugal number, since it uses more digits than its factorization.

115130597481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284 (or 133 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 45.

The spelling of 115130597481 in words is "one hundred fifteen billion, one hundred thirty million, five hundred ninety-seven thousand, four hundred eighty-one".