2155331092 has 12 divisors (see below), whose sum is σ = 3772882036. Its totient is φ = 1077364800.

The previous prime is 2155331039. The next prime is 2155331131. The reversal of 2155331092 is 2901335512.

It can be written as a sum of positive squares in 2 ways, for example, as 794901636 + 1360429456 = 28194^2 + 36884^2 .

It is a super-2 number, since 2×2155331092² = 9290904232283824928, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58659 + ... + 88042.

Almost surely, 2^2155331092 is an apocalyptic number.

It is an amenable number.

2155331092 is a deficient number, since it is larger than the sum of its proper divisors (1617550944).

2155331092 is a wasteful number, since it uses less digits than its factorization.

2155331092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150378 (or 150376 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 31.

The square root of 2155331092 is about 46425.5435293977. The cubic root of 2155331092 is about 1291.7287664647.

The spelling of 2155331092 in words is "two billion, one hundred fifty-five million, three hundred thirty-one thousand, ninety-two".