102404187555 has 16 divisors (see below), whose sum is σ = 163866646944. Its totient is φ = 54608917760.

The previous prime is 102404187527. The next prime is 102404187593. The reversal of 102404187555 is 555781404201.

It is a happy number.

It is not a de Polignac number, because 102404187555 - 2⁸ = 102404187299 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 286956 + ... + 535865.

It is an arithmetic number, because the mean of its divisors is an integer number (10241665434).

Almost surely, 2^102404187555 is an apocalyptic number.

102404187555 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

102404187555 is a deficient number, since it is larger than the sum of its proper divisors (61462459389).

102404187555 is an equidigital number, since it uses as much as digits as its factorization.

102404187555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 831126.

The product of its (nonzero) digits is 224000, while the sum is 42.

The spelling of 102404187555 in words is "one hundred two billion, four hundred four million, one hundred eighty-seven thousand, five hundred fifty-five".