3811120156 has 12 divisors (see below), whose sum is σ = 6679837192. Its totient is φ = 1902595248.

The previous prime is 3811120153. The next prime is 3811120189. The reversal of 3811120156 is 6510211183.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3811120153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 738315 + ... + 743458.

Almost surely, 2^3811120156 is an apocalyptic number.

It is an amenable number.

3811120156 is a deficient number, since it is larger than the sum of its proper divisors (2868717036).

3811120156 is a wasteful number, since it uses less digits than its factorization.

3811120156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1482420 (or 1482418 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 28.

The square root of 3811120156 is about 61734.2705148445. The cubic root of 3811120156 is about 1562.0114525608.

The spelling of 3811120156 in words is "three billion, eight hundred eleven million, one hundred twenty thousand, one hundred fifty-six".