5161565202155 has 32 divisors (see below), whose sum is σ = 6242729011200. Its totient is φ = 4096781027712.

The previous prime is 5161565202139. The next prime is 5161565202191. The reversal of 5161565202155 is 5512025651615.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 5161565202155 - 2⁴ = 5161565202139 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1598501081 + ... + 1598504309.

It is an arithmetic number, because the mean of its divisors is an integer number (195085281600).

Almost surely, 2^{5161565202155} is an apocalyptic number.

5161565202155 is a deficient number, since it is larger than the sum of its proper divisors (1081163809045).

5161565202155 is a wasteful number, since it uses less digits than its factorization.

5161565202155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6203.

The product of its (nonzero) digits is 450000, while the sum is 44.

The spelling of 5161565202155 in words is "five trillion, one hundred sixty-one billion, five hundred sixty-five million, two hundred two thousand, one hundred fifty-five".