102542150155500 has 144 divisors (see below), whose sum is σ = 352894148923680. Its totient is φ = 24858703056000.

The previous prime is 102542150155499. The next prime is 102542150155579. The reversal of 102542150155500 is 5551051245201.

102542150155500 is a `hidden beast` number, since 1 + 0 + 2 + 5 + 42 + 1 + 50 + 15 + 550 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1035729795 + ... + 1035828794.

It is an arithmetic number, because the mean of its divisors is an integer number (2450653811970).

Almost surely, 2^{102542150155500} is an apocalyptic number.

102542150155500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102542150155500 is an abundant number, since it is smaller than the sum of its proper divisors (250351998768180).

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

102542150155500 is a wasteful number, since it uses less digits than its factorization.

102542150155500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2071558625 (or 2071558610 counting only the distinct ones).

The product of its (nonzero) digits is 50000, while the sum is 36.

The spelling of 102542150155500 in words is "one hundred two trillion, five hundred forty-two billion, one hundred fifty million, one hundred fifty-five thousand, five hundred".