102255739416965 has 16 divisors (see below), whose sum is σ = 125025509026800. Its totient is φ = 80258927603712.

The previous prime is 102255739416907. The next prime is 102255739416983. The reversal of 102255739416965 is 569614937552201.

It is a Cunningham number, because it is equal to 10112158²+1.

It can be written as a sum of positive squares in 8 ways, for example, as 770283564964 + 101485455852001 = 877658^2 + 10073999^2 .

It is a cyclic number.

It is not a de Polignac number, because 102255739416965 - 2¹⁰ = 102255739415941 is a prime.

It is a super-2 number, since 2×102255739416965² (a number of 29 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

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, 4561691 + ... + 15010679.

It is an arithmetic number, because the mean of its divisors is an integer number (7814094314175).

Almost surely, 2^{102255739416965} is an apocalyptic number.

It is an amenable number.

102255739416965 is a deficient number, since it is larger than the sum of its proper divisors (22769769609835).

102255739416965 is a wasteful number, since it uses less digits than its factorization.

102255739416965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10485976.

The product of its (nonzero) digits is 122472000, while the sum is 65.

The spelling of 102255739416965 in words is "one hundred two trillion, two hundred fifty-five billion, seven hundred thirty-nine million, four hundred sixteen thousand, nine hundred sixty-five".