1115056156 has 12 divisors (see below), whose sum is σ = 1962250920. Its totient is φ = 554413040.

The previous prime is 1115056147. The next prime is 1115056181. The reversal of 1115056156 is 6516505111.

It is a congruent number.

It is an unprimeable number.

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, 777955 + ... + 779386.

It is an arithmetic number, because the mean of its divisors is an integer number (163520910).

Almost surely, 2^1115056156 is an apocalyptic number.

It is an amenable number.

1115056156 is a deficient number, since it is larger than the sum of its proper divisors (847194764).

1115056156 is a wasteful number, since it uses less digits than its factorization.

1115056156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1557524 (or 1557522 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 31.

The square root of 1115056156 is about 33392.4565733041. The cubic root of 1115056156 is about 1036.9685379067.

The spelling of 1115056156 in words is "one billion, one hundred fifteen million, fifty-six thousand, one hundred fifty-six".