611578875116 has 48 divisors (see below), whose sum is σ = 1236902516640. Its totient is φ = 261497733120.

The previous prime is 611578875109. The next prime is 611578875137.

611578875116 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1182740 + ... + 1619268.

It is an arithmetic number, because the mean of its divisors is an integer number (25768802430).

Almost surely, 2^611578875116 is an apocalyptic number.

It is an amenable number.

611578875116 is an abundant number, since it is smaller than the sum of its proper divisors (625323641524).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

611578875116 is a wasteful number, since it uses less digits than its factorization.

611578875116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438434 (or 438432 counting only the distinct ones).

The product of its digits is 2822400, while the sum is 56.

The spelling of 611578875116 in words is "six hundred eleven billion, five hundred seventy-eight million, eight hundred seventy-five thousand, one hundred sixteen".