130878810691 has 2 divisors, whose sum is σ = 130878810692. Its totient is φ = 130878810690.

The previous prime is 130878810677. The next prime is 130878810737. The reversal of 130878810691 is 196018878031.

It is a weak prime.

It is an emirp because it is prime and its reverse (196018878031) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 130878810691 - 2⁷ = 130878810563 is a prime.

It is not a weakly prime, because it can be changed into another prime (130878810611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65439405345 + 65439405346.

It is an arithmetic number, because the mean of its divisors is an integer number (65439405346).

Almost surely, 2^130878810691 is an apocalyptic number.

130878810691 is a deficient number, since it is larger than the sum of its proper divisors (1).

130878810691 is an equidigital number, since it uses as much as digits as its factorization.

130878810691 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 580608, while the sum is 52.

The spelling of 130878810691 in words is "one hundred thirty billion, eight hundred seventy-eight million, eight hundred ten thousand, six hundred ninety-one".