2155534363233 has 6 divisors (see below), whose sum is σ = 3113549635794. Its totient is φ = 1437022908816.

The previous prime is 2155534363201. The next prime is 2155534363277. The reversal of 2155534363233 is 3323634355512.

2155534363233 is a `hidden beast` number, since 2 + 1 + 5 + 5 + 5 + 3 + 4 + 3 + 632 + 3 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1670328777744 + 485205585489 = 1292412^2 + 696567^2 .

It is not a de Polignac number, because 2155534363233 - 2⁵ = 2155534363201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2155534364233) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 119751909060 + ... + 119751909077.

It is an arithmetic number, because the mean of its divisors is an integer number (518924939299).

Almost surely, 2^{2155534363233} is an apocalyptic number.

It is an amenable number.

2155534363233 is a deficient number, since it is larger than the sum of its proper divisors (958015272561).

2155534363233 is a wasteful number, since it uses less digits than its factorization.

2155534363233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239503818143 (or 239503818140 counting only the distinct ones).

The product of its digits is 2916000, while the sum is 45.

The spelling of 2155534363233 in words is "two trillion, one hundred fifty-five billion, five hundred thirty-four million, three hundred sixty-three thousand, two hundred thirty-three".