102855986310 has 128 divisors (see below), whose sum is σ = 312812264448. Its totient is φ = 21022272000.

The previous prime is 102855986309. The next prime is 102855986341. The reversal of 102855986310 is 13689558201.

It is a happy number.

It is a super-2 number, since 2×102855986310² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 102855986310.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 224061 + ... + 505880.

It is an arithmetic number, because the mean of its divisors is an integer number (2443845816).

Almost surely, 2^102855986310 is an apocalyptic number.

102855986310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102855986310 is an abundant number, since it is smaller than the sum of its proper divisors (209956278138).

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

102855986310 is a wasteful number, since it uses less digits than its factorization.

102855986310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 730030.

The product of its (nonzero) digits is 518400, while the sum is 48.

The spelling of 102855986310 in words is "one hundred two billion, eight hundred fifty-five million, nine hundred eighty-six thousand, three hundred ten".