655653535205155 has 16 divisors (see below), whose sum is σ = 790471620338400. Its totient is φ = 522067500864000.

The previous prime is 655653535205143. The next prime is 655653535205203. The reversal of 655653535205155 is 551502535356556.

It is not a de Polignac number, because 655653535205155 - 2¹⁵ = 655653535172387 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 655653535205093 and 655653535205102.

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, 181003350 + ... + 184590139.

It is an arithmetic number, because the mean of its divisors is an integer number (49404476271150).

Almost surely, 2^{655653535205155} is an apocalyptic number.

655653535205155 is a deficient number, since it is larger than the sum of its proper divisors (134818085133245).

655653535205155 is a wasteful number, since it uses less digits than its factorization.

655653535205155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365595174.

The product of its (nonzero) digits is 253125000, while the sum is 61.

The spelling of 655653535205155 in words is "six hundred fifty-five trillion, six hundred fifty-three billion, five hundred thirty-five million, two hundred five thousand, one hundred fifty-five".