102251963065 has 32 divisors (see below), whose sum is σ = 140580126720. Its totient is φ = 69941448384.

The previous prime is 102251963063. The next prime is 102251963071. The reversal of 102251963065 is 560369152201.

It is a cyclic number.

It is not a de Polignac number, because 102251963065 - 2¹ = 102251963063 is a prime.

It is a super-2 number, since 2×102251963065² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (102251963063) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32285112 + ... + 32288278.

It is an arithmetic number, because the mean of its divisors is an integer number (4393128960).

Almost surely, 2^102251963065 is an apocalyptic number.

It is an amenable number.

102251963065 is a deficient number, since it is larger than the sum of its proper divisors (38328163655).

102251963065 is a wasteful number, since it uses less digits than its factorization.

102251963065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5181.

The product of its (nonzero) digits is 97200, while the sum is 40.

The spelling of 102251963065 in words is "one hundred two billion, two hundred fifty-one million, nine hundred sixty-three thousand, sixty-five".