102150984555 has 12 divisors (see below), whose sum is σ = 177061706640. Its totient is φ = 54480525072.

The previous prime is 102150984527. The next prime is 102150984569. The reversal of 102150984555 is 555489051201.

102150984555 is a `hidden beast` number, since 1 + 0 + 2 + 1 + 5 + 0 + 98 + 4 + 555 = 666.

It is not a de Polignac number, because 102150984555 - 2⁹ = 102150984043 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 2270021879 = 102150984555 / (1 + 0 + 2 + 1 + 5 + 0 + 9 + 8 + 4 + 5 + 5 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 102150984555.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1135010895 + ... + 1135010984.

It is an arithmetic number, because the mean of its divisors is an integer number (14755142220).

Almost surely, 2^102150984555 is an apocalyptic number.

102150984555 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

102150984555 is a deficient number, since it is larger than the sum of its proper divisors (74910722085).

102150984555 is a wasteful number, since it uses less digits than its factorization.

102150984555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2270021890 (or 2270021887 counting only the distinct ones).

The product of its (nonzero) digits is 360000, while the sum is 45.

The spelling of 102150984555 in words is "one hundred two billion, one hundred fifty million, nine hundred eighty-four thousand, five hundred fifty-five".