130785896081 has 4 divisors (see below), whose sum is σ = 133827428592. Its totient is φ = 127744363572.

The previous prime is 130785896057. The next prime is 130785896083. The reversal of 130785896081 is 180698587031.

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, and also an emirpimes, since its reverse is a distinct semiprime: 180698587031 = 19 ⋅9510451949.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-130785896081 is a prime.

It is a super-2 number, since 2×130785896081² (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 (130785896083) 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, 1520766191 + ... + 1520766276.

It is an arithmetic number, because the mean of its divisors is an integer number (33456857148).

Almost surely, 2^130785896081 is an apocalyptic number.

It is an amenable number.

130785896081 is a deficient number, since it is larger than the sum of its proper divisors (3041532511).

130785896081 is an equidigital number, since it uses as much as digits as its factorization.

130785896081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3041532510.

The product of its (nonzero) digits is 2903040, while the sum is 56.

The spelling of 130785896081 in words is "one hundred thirty billion, seven hundred eighty-five million, eight hundred ninety-six thousand, eighty-one".