102556026100 has 72 divisors (see below), whose sum is σ = 245506161600. Its totient is φ = 36874041600.

The previous prime is 102556026061. The next prime is 102556026103. The reversal of 102556026100 is 1620655201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102556026103) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 425880 + ... + 621679.

It is an arithmetic number, because the mean of its divisors is an integer number (3409807800).

Almost surely, 2^102556026100 is an apocalyptic number.

102556026100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102556026100 is an abundant number, since it is smaller than the sum of its proper divisors (142950135500).

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

102556026100 is a wasteful number, since it uses less digits than its factorization.

102556026100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1047673 (or 1047666 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 28.

The spelling of 102556026100 in words is "one hundred two billion, five hundred fifty-six million, twenty-six thousand, one hundred".