102072380961 has 16 divisors (see below), whose sum is σ = 142038042624. Its totient is φ = 65078499024.

The previous prime is 102072380957. The next prime is 102072381017. The reversal of 102072380961 is 169083270201.

It is not a de Polignac number, because 102072380961 - 2² = 102072380957 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (102072380941) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 289560 + ... + 536646.

It is an arithmetic number, because the mean of its divisors is an integer number (8877377664).

Almost surely, 2^102072380961 is an apocalyptic number.

It is an amenable number.

102072380961 is a deficient number, since it is larger than the sum of its proper divisors (39965661663).

102072380961 is a wasteful number, since it uses less digits than its factorization.

102072380961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253100.

The product of its (nonzero) digits is 36288, while the sum is 39.

The spelling of 102072380961 in words is "one hundred two billion, seventy-two million, three hundred eighty thousand, nine hundred sixty-one".