102426566205 has 16 divisors (see below), whose sum is σ = 166660176960. Its totient is φ = 53701611648.

The previous prime is 102426566197. The next prime is 102426566293. The reversal of 102426566205 is 502665624201.

It is not a de Polignac number, because 102426566205 - 2³ = 102426566197 is a prime.

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, 57867232 + ... + 57869001.

It is an arithmetic number, because the mean of its divisors is an integer number (10416261060).

Almost surely, 2^102426566205 is an apocalyptic number.

102426566205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

102426566205 is a deficient number, since it is larger than the sum of its proper divisors (64233610755).

102426566205 is a wasteful number, since it uses less digits than its factorization.

102426566205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115736300.

The product of its (nonzero) digits is 172800, while the sum is 39.

The spelling of 102426566205 in words is "one hundred two billion, four hundred twenty-six million, five hundred sixty-six thousand, two hundred five".