2156322736053 has 32 divisors (see below), whose sum is σ = 3236708160000. Its totient is φ = 1418597646336.

The previous prime is 2156322736049. The next prime is 2156322736063. The reversal of 2156322736053 is 3506372236512.

2156322736053 is a `hidden beast` number, since 2 + 1 + 5 + 6 + 32 + 2 + 7 + 3 + 605 + 3 = 666.

It is not a de Polignac number, because 2156322736053 - 2² = 2156322736049 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2156322736033) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3761653 + ... + 4296821.

It is an arithmetic number, because the mean of its divisors is an integer number (101147130000).

Almost surely, 2^{2156322736053} is an apocalyptic number.

It is an amenable number.

2156322736053 is a deficient number, since it is larger than the sum of its proper divisors (1080385423947).

2156322736053 is a wasteful number, since it uses less digits than its factorization.

2156322736053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 537146 (or 537140 counting only the distinct ones).

The product of its (nonzero) digits is 1360800, while the sum is 45.

The spelling of 2156322736053 in words is "two trillion, one hundred fifty-six billion, three hundred twenty-two million, seven hundred thirty-six thousand, fifty-three".