130523042791 has 4 divisors (see below), whose sum is σ = 135023837400. Its totient is φ = 126022248184.

The previous prime is 130523042743. The next prime is 130523042801. The reversal of 130523042791 is 197240325031.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 130523042791 - 2¹¹ = 130523040743 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 130523042791.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130523042291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2250397261 + ... + 2250397318.

It is an arithmetic number, because the mean of its divisors is an integer number (33755959350).

Almost surely, 2^130523042791 is an apocalyptic number.

130523042791 is a deficient number, since it is larger than the sum of its proper divisors (4500794609).

130523042791 is an equidigital number, since it uses as much as digits as its factorization.

130523042791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4500794608.

The product of its (nonzero) digits is 45360, while the sum is 37.

The spelling of 130523042791 in words is "one hundred thirty billion, five hundred twenty-three million, forty-two thousand, seven hundred ninety-one".