131179117641 has 32 divisors (see below), whose sum is σ = 206075778048. Its totient is φ = 73175346240.

The previous prime is 131179117637. The next prime is 131179117681. The reversal of 131179117641 is 146711971131.

It is not a de Polignac number, because 131179117641 - 2² = 131179117637 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 131179117593 and 131179117602.

It is not an unprimeable number, because it can be changed into a prime (131179117681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 291741 + ... + 589466.

It is an arithmetic number, because the mean of its divisors is an integer number (6439868064).

Almost surely, 2^131179117641 is an apocalyptic number.

131179117641 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

131179117641 is a deficient number, since it is larger than the sum of its proper divisors (74896660407).

131179117641 is a wasteful number, since it uses less digits than its factorization.

131179117641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 881581.

The product of its digits is 31752, while the sum is 42.

The spelling of 131179117641 in words is "one hundred thirty-one billion, one hundred seventy-nine million, one hundred seventeen thousand, six hundred forty-one".