2155466330131 has 12 divisors (see below), whose sum is σ = 2280404582568. Its totient is φ = 2036909994944.

The previous prime is 2155466330113. The next prime is 2155466330189. The reversal of 2155466330131 is 1310336645512.

It is not a de Polignac number, because 2155466330131 - 2⁹ = 2155466329619 is a prime.

It is a super-2 number, since 2×2155466330131² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2155466331131) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24501910 + ... + 24589723.

It is an arithmetic number, because the mean of its divisors is an integer number (190033715214).

Almost surely, 2^{2155466330131} is an apocalyptic number.

2155466330131 is a deficient number, since it is larger than the sum of its proper divisors (124938252437).

2155466330131 is an equidigital number, since it uses as much as digits as its factorization.

2155466330131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49091762 (or 49091739 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 40.

The spelling of 2155466330131 in words is "two trillion, one hundred fifty-five billion, four hundred sixty-six million, three hundred thirty thousand, one hundred thirty-one".