611552315464 has 16 divisors (see below), whose sum is σ = 1148443899120. Its totient is φ = 305300609040.

The previous prime is 611552315447. The next prime is 611552315477. The reversal of 611552315464 is 464513255116.

It is a self number, because there is not a number n which added to its sum of digits gives 611552315464.

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, 59438122 + ... + 59448409.

It is an arithmetic number, because the mean of its divisors is an integer number (71777743695).

Almost surely, 2^611552315464 is an apocalyptic number.

It is an amenable number.

611552315464 is a deficient number, since it is larger than the sum of its proper divisors (536891583656).

611552315464 is a wasteful number, since it uses less digits than its factorization.

611552315464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118887180 (or 118887176 counting only the distinct ones).

The product of its digits is 432000, while the sum is 43.

The spelling of 611552315464 in words is "six hundred eleven billion, five hundred fifty-two million, three hundred fifteen thousand, four hundred sixty-four".