2155132304055 has 160 divisors (see below), whose sum is σ = 4027383360000. Its totient is φ = 1101361536000.

The previous prime is 2155132304021. The next prime is 2155132304063. The reversal of 2155132304055 is 5504032315512.

2155132304055 is a `hidden beast` number, since 2 + 1 + 5 + 5 + 13 + 230 + 405 + 5 = 666.

It is not a de Polignac number, because 2155132304055 - 2⁶ = 2155132303991 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 652870905 + ... + 652874205.

It is an arithmetic number, because the mean of its divisors is an integer number (25171146000).

Almost surely, 2^{2155132304055} is an apocalyptic number.

2155132304055 is a deficient number, since it is larger than the sum of its proper divisors (1872251055945).

2155132304055 is a wasteful number, since it uses less digits than its factorization.

2155132304055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3847 (or 3838 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 36.

Adding to 2155132304055 its reverse (5504032315512), we get a palindrome (7659164619567).

The spelling of 2155132304055 in words is "two trillion, one hundred fifty-five billion, one hundred thirty-two million, three hundred four thousand, fifty-five".