615072115586872 has 16 divisors (see below), whose sum is σ = 1153261739716560. Its totient is φ = 307535651662464.

The previous prime is 615072115586749. The next prime is 615072115586947. The reversal of 615072115586872 is 278685511270516.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44281153 + ... + 56488624.

It is an arithmetic number, because the mean of its divisors is an integer number (72078858732285).

Almost surely, 2^{615072115586872} is an apocalyptic number.

It is an amenable number.

615072115586872 is a deficient number, since it is larger than the sum of its proper divisors (538189624129688).

615072115586872 is a wasteful number, since it uses less digits than its factorization.

615072115586872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101532750 (or 101532746 counting only the distinct ones).

The product of its (nonzero) digits is 56448000, while the sum is 64.

The spelling of 615072115586872 in words is "six hundred fifteen trillion, seventy-two billion, one hundred fifteen million, five hundred eighty-six thousand, eight hundred seventy-two".