615715560155 has 16 divisors (see below), whose sum is σ = 739696364064. Its totient is φ = 492014315520.

The previous prime is 615715560151. The next prime is 615715560193. The reversal of 615715560155 is 551065517516.

It is not a de Polignac number, because 615715560155 - 2² = 615715560151 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (615715560151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16426235 + ... + 16463675.

It is an arithmetic number, because the mean of its divisors is an integer number (46231022754).

Almost surely, 2^615715560155 is an apocalyptic number.

615715560155 is a deficient number, since it is larger than the sum of its proper divisors (123980803909).

615715560155 is a wasteful number, since it uses less digits than its factorization.

615715560155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41086.

The product of its (nonzero) digits is 787500, while the sum is 47.

The spelling of 615715560155 in words is "six hundred fifteen billion, seven hundred fifteen million, five hundred sixty thousand, one hundred fifty-five".