102010715000720 has 40 divisors (see below), whose sum is σ = 251126377813944. Its totient is φ = 38404033882112.

The previous prime is 102010715000687. The next prime is 102010715000767. The reversal of 102010715000720 is 27000517010201.

It can be written as a sum of positive squares in 4 ways, for example, as 38520989814784 + 63489725185936 = 6206528^2 + 7968044^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 102010715000720.

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, 37503937979 + ... + 37503940698.

Almost surely, 2^{102010715000720} is an apocalyptic number.

102010715000720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102010715000720 is an abundant number, since it is smaller than the sum of its proper divisors (149115662813224).

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

102010715000720 is a wasteful number, since it uses less digits than its factorization.

102010715000720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75007878707 (or 75007878701 counting only the distinct ones).

The product of its (nonzero) digits is 980, while the sum is 26.

The spelling of 102010715000720 in words is "one hundred two trillion, ten billion, seven hundred fifteen million, seven hundred twenty", and thus it is an aban number.