651131131156 has 12 divisors (see below), whose sum is σ = 1243068523200. Its totient is φ = 295968695960.

The previous prime is 651131131151. The next prime is 651131131159.

651131131156 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (651131131151) 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, 7399217356 + ... + 7399217443.

It is an arithmetic number, because the mean of its divisors is an integer number (103589043600).

Almost surely, 2^651131131156 is an apocalyptic number.

It is an amenable number.

651131131156 is a deficient number, since it is larger than the sum of its proper divisors (591937392044).

651131131156 is a wasteful number, since it uses less digits than its factorization.

651131131156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14798434814 (or 14798434812 counting only the distinct ones).

The product of its digits is 8100, while the sum is 34.

It can be divided in two parts, 651131 and 131156, that added together give a palindrome (782287).

The spelling of 651131131156 in words is "six hundred fifty-one billion, one hundred thirty-one million, one hundred thirty-one thousand, one hundred fifty-six".