2131555675 has 12 divisors (see below), whose sum is σ = 2643866496. Its totient is φ = 1704768800.

The previous prime is 2131555669. The next prime is 2131555711. The reversal of 2131555675 is 5765551312.

It is not a de Polignac number, because 2131555675 - 2¹⁹ = 2131031387 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 100230 + ... + 119620.

It is an arithmetic number, because the mean of its divisors is an integer number (220322208).

Almost surely, 2^2131555675 is an apocalyptic number.

2131555675 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2131555675 is a deficient number, since it is larger than the sum of its proper divisors (512310821).

2131555675 is a wasteful number, since it uses less digits than its factorization.

2131555675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23798 (or 23793 counting only the distinct ones).

The product of its digits is 157500, while the sum is 40.

The square root of 2131555675 is about 46168.7738087119. The cubic root of 2131555675 is about 1286.9615154759.

The spelling of 2131555675 in words is "two billion, one hundred thirty-one million, five hundred fifty-five thousand, six hundred seventy-five".