1801053156 has 48 divisors (see below), whose sum is σ = 4814311040. Its totient is φ = 513354240.

The previous prime is 1801053143. The next prime is 1801053161. The reversal of 1801053156 is 6513501081.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9900 + ... + 60828.

Almost surely, 2^1801053156 is an apocalyptic number.

It is an amenable number.

1801053156 is an abundant number, since it is smaller than the sum of its proper divisors (3013257884).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1801053156 is a wasteful number, since it uses less digits than its factorization.

1801053156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51364 (or 51362 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 30.

The square root of 1801053156 is about 42438.8166187513. The cubic root of 1801053156 is about 1216.6775938803.

The spelling of 1801053156 in words is "one billion, eight hundred one million, fifty-three thousand, one hundred fifty-six".