61028863756 has 24 divisors (see below), whose sum is σ = 122116329216. Its totient is φ = 26142669840.

The previous prime is 61028863729. The next prime is 61028863801. The reversal of 61028863756 is 65736882016.

61028863756 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×61028863756² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 463750 + ... + 580621.

It is an arithmetic number, because the mean of its divisors is an integer number (5088180384).

Almost surely, 2^61028863756 is an apocalyptic number.

It is an amenable number.

61028863756 is an abundant number, since it is smaller than the sum of its proper divisors (61087465460).

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

61028863756 is a wasteful number, since it uses less digits than its factorization.

61028863756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1046469 (or 1046467 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 52.

The spelling of 61028863756 in words is "sixty-one billion, twenty-eight million, eight hundred sixty-three thousand, seven hundred fifty-six".