130975500081 has 4 divisors (see below), whose sum is σ = 174634000112. Its totient is φ = 87317000052.

The previous prime is 130975500017. The next prime is 130975500119. The reversal of 130975500081 is 180005579031.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 130975500081 - 2⁶ = 130975500017 is a prime.

It is a super-2 number, since 2×130975500081² (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 (130975500781) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21829250011 + ... + 21829250016.

It is an arithmetic number, because the mean of its divisors is an integer number (43658500028).

Almost surely, 2^130975500081 is an apocalyptic number.

It is an amenable number.

130975500081 is a deficient number, since it is larger than the sum of its proper divisors (43658500031).

130975500081 is an equidigital number, since it uses as much as digits as its factorization.

130975500081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43658500030.

The product of its (nonzero) digits is 37800, while the sum is 39.

The spelling of 130975500081 in words is "one hundred thirty billion, nine hundred seventy-five million, five hundred thousand, eighty-one".