611621412056 has 16 divisors (see below), whose sum is σ = 1174760639640. Its totient is φ = 298351908160.

The previous prime is 611621412037. The next prime is 611621412113. The reversal of 611621412056 is 650214126116.

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, 932349386 + ... + 932350041.

Almost surely, 2^611621412056 is an apocalyptic number.

It is an amenable number.

611621412056 is a deficient number, since it is larger than the sum of its proper divisors (563139227584).

611621412056 is a wasteful number, since it uses less digits than its factorization.

611621412056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1864699474 (or 1864699470 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 35.

The spelling of 611621412056 in words is "six hundred eleven billion, six hundred twenty-one million, four hundred twelve thousand, fifty-six".