61051010064 has 80 divisors (see below), whose sum is σ = 181108289280. Its totient is φ = 17526602880.

The previous prime is 61051010039. The next prime is 61051010143. The reversal of 61051010064 is 46001015016.

61051010064 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3032782 + ... + 3052845.

It is an arithmetic number, because the mean of its divisors is an integer number (2263853616).

Almost surely, 2^61051010064 is an apocalyptic number.

It is an amenable number.

61051010064 is an abundant number, since it is smaller than the sum of its proper divisors (120057279216).

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

61051010064 is a wasteful number, since it uses less digits than its factorization.

61051010064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6085668 (or 6085662 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 24.

The spelling of 61051010064 in words is "sixty-one billion, fifty-one million, ten thousand, sixty-four".