102488020855 has 8 divisors (see below), whose sum is σ = 134166136464. Its totient is φ = 74536742400.

The previous prime is 102488020847. The next prime is 102488020903. The reversal of 102488020855 is 558020884201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 102488020855 - 2³ = 102488020847 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 931709226 + ... + 931709335.

It is an arithmetic number, because the mean of its divisors is an integer number (16770767058).

Almost surely, 2^102488020855 is an apocalyptic number.

102488020855 is a deficient number, since it is larger than the sum of its proper divisors (31678115609).

102488020855 is a wasteful number, since it uses less digits than its factorization.

102488020855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1863418577.

The product of its (nonzero) digits is 204800, while the sum is 43.

The spelling of 102488020855 in words is "one hundred two billion, four hundred eighty-eight million, twenty thousand, eight hundred fifty-five".