1556053112 has 16 divisors (see below), whose sum is σ = 3089223360. Its totient is φ = 732260224.

The previous prime is 1556053097. The next prime is 1556053193. The reversal of 1556053112 is 2113506551.

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, 5720648 + ... + 5720919.

It is an arithmetic number, because the mean of its divisors is an integer number (193076460).

Almost surely, 2^1556053112 is an apocalyptic number.

It is an amenable number.

1556053112 is a deficient number, since it is larger than the sum of its proper divisors (1533170248).

1556053112 is a wasteful number, since it uses less digits than its factorization.

1556053112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11441590 (or 11441586 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 29.

The square root of 1556053112 is about 39446.8390622113. The cubic root of 1556053112 is about 1158.7990722306.

Adding to 1556053112 its reverse (2113506551), we get a palindrome (3669559663).

It can be divided in two parts, 155605 and 3112, that multiplied together give a triangular number (484242760 = T₃₁₁₂₀).

The spelling of 1556053112 in words is "one billion, five hundred fifty-six million, fifty-three thousand, one hundred twelve".