615311650055 has 16 divisors (see below), whose sum is σ = 769738975488. Its totient is φ = 471653760000.

The previous prime is 615311650013. The next prime is 615311650127. The reversal of 615311650055 is 550056113516.

It is not a de Polignac number, because 615311650055 - 2⁶ = 615311649991 is a prime.

It is a Duffinian number.

It is a congruent 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, 19636586 + ... + 19667895.

It is an arithmetic number, because the mean of its divisors is an integer number (48108685968).

Almost surely, 2^615311650055 is an apocalyptic number.

615311650055 is a deficient number, since it is larger than the sum of its proper divisors (154427325433).

615311650055 is a wasteful number, since it uses less digits than its factorization.

615311650055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39304618.

The product of its (nonzero) digits is 67500, while the sum is 38.

The spelling of 615311650055 in words is "six hundred fifteen billion, three hundred eleven million, six hundred fifty thousand, fifty-five".