102556026099 has 40 divisors (see below), whose sum is σ = 155574859440. Its totient is φ = 67318776000.

The previous prime is 102556026061. The next prime is 102556026103. The reversal of 102556026099 is 990620655201.

It is a happy number.

102556026099 is a `hidden beast` number, since 1 + 0 + 2 + 556 + 0 + 2 + 6 + 0 + 99 = 666.

It is not a de Polignac number, because 102556026099 - 2⁸ = 102556025843 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102556026059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1446132 + ... + 1515390.

It is an arithmetic number, because the mean of its divisors is an integer number (3889371486).

Almost surely, 2^102556026099 is an apocalyptic number.

102556026099 is a deficient number, since it is larger than the sum of its proper divisors (53018833341).

102556026099 is a wasteful number, since it uses less digits than its factorization.

102556026099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69553 (or 69544 counting only the distinct ones).

The product of its (nonzero) digits is 291600, while the sum is 45.

The spelling of 102556026099 in words is "one hundred two billion, five hundred fifty-six million, twenty-six thousand, ninety-nine".