612635625155 has 16 divisors (see below), whose sum is σ = 778449559104. Its totient is φ = 461253734400.

The previous prime is 612635625143. The next prime is 612635625181. The reversal of 612635625155 is 551526536216.

It is not a de Polignac number, because 612635625155 - 2²⁸ = 612367189699 is a prime.

It is a Duffinian number.

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, 1476755 + ... + 1845555.

It is an arithmetic number, because the mean of its divisors is an integer number (48653097444).

Almost surely, 2^612635625155 is an apocalyptic number.

612635625155 is a deficient number, since it is larger than the sum of its proper divisors (165813933949).

612635625155 is a wasteful number, since it uses less digits than its factorization.

612635625155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388366.

The product of its digits is 1620000, while the sum is 47.

The spelling of 612635625155 in words is "six hundred twelve billion, six hundred thirty-five million, six hundred twenty-five thousand, one hundred fifty-five".