102513010255555 has 4 divisors (see below), whose sum is σ = 123015612306672. Its totient is φ = 82010408204440.

The previous prime is 102513010255441. The next prime is 102513010255573. The reversal of 102513010255555 is 555552010315201.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 102513010255555 - 2¹³ = 102513010247363 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10251301025551 + ... + 10251301025560.

It is an arithmetic number, because the mean of its divisors is an integer number (30753903076668).

Almost surely, 2^{102513010255555} is an apocalyptic number.

102513010255555 is a deficient number, since it is larger than the sum of its proper divisors (20502602051117).

102513010255555 is an equidigital number, since it uses as much as digits as its factorization.

102513010255555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20502602051116.

The product of its (nonzero) digits is 187500, while the sum is 40.

The spelling of 102513010255555 in words is "one hundred two trillion, five hundred thirteen billion, ten million, two hundred fifty-five thousand, five hundred fifty-five".