102555331242320 has 40 divisors (see below), whose sum is σ = 260117612880480. Its totient is φ = 37292847724160.

The previous prime is 102555331242283. The next prime is 102555331242349. The reversal of 102555331242320 is 23242133555201.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 58270073690 + ... + 58270075449.

It is an arithmetic number, because the mean of its divisors is an integer number (6502940322012).

Almost surely, 2^{102555331242320} is an apocalyptic number.

102555331242320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102555331242320 is an abundant number, since it is smaller than the sum of its proper divisors (157562281638160).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102555331242320 is a wasteful number, since it uses less digits than its factorization.

102555331242320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116540149163 (or 116540149157 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 38.

Adding to 102555331242320 its reverse (23242133555201), we get a palindrome (125797464797521).

The spelling of 102555331242320 in words is "one hundred two trillion, five hundred fifty-five billion, three hundred thirty-one million, two hundred forty-two thousand, three hundred twenty".