61472680056 has 56 divisors (see below), whose sum is σ = 172812874680. Its totient is φ = 20490891408.

The previous prime is 61472680013. The next prime is 61472680057. The reversal of 61472680056 is 65008627416.

61472680056 is a `hidden beast` number, since 614 + 7 + 26 + 8 + 0 + 0 + 5 + 6 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 61472679993 and 61472680020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61472680057) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 5264460 + ... + 5276123.

Almost surely, 2^61472680056 is an apocalyptic number.

It is an amenable number.

61472680056 is an abundant number, since it is smaller than the sum of its proper divisors (111340194624).

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

61472680056 is a wasteful number, since it uses less digits than its factorization.

61472680056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10540607 (or 10540588 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The spelling of 61472680056 in words is "sixty-one billion, four hundred seventy-two million, six hundred eighty thousand, fifty-six".