2553816159081 has 48 divisors (see below), whose sum is σ = 4205393786880. Its totient is φ = 1479607284960.

The previous prime is 2553816159019. The next prime is 2553816159127. The reversal of 2553816159081 is 1809516183552.

2553816159081 is a `hidden beast` number, since 2 + 5 + 5 + 38 + 16 + 1 + 590 + 8 + 1 = 666.

It is not a de Polignac number, because 2553816159081 - 2¹⁴ = 2553816142697 is a prime.

It is a super-2 number, since 2×2553816159081² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2553816159001) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6181941 + ... + 6582098.

It is an arithmetic number, because the mean of its divisors is an integer number (87612370560).

Almost surely, 2^{2553816159081} is an apocalyptic number.

It is an amenable number.

2553816159081 is a deficient number, since it is larger than the sum of its proper divisors (1651577627799).

2553816159081 is a wasteful number, since it uses less digits than its factorization.

2553816159081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12764146 (or 12764143 counting only the distinct ones).

The product of its (nonzero) digits is 2592000, while the sum is 54.

The spelling of 2553816159081 in words is "two trillion, five hundred fifty-three billion, eight hundred sixteen million, one hundred fifty-nine thousand, eighty-one".