102155479560 has 96 divisors (see below), whose sum is σ = 344301834240. Its totient is φ = 27241458624.

The previous prime is 102155479523. The next prime is 102155479571. The reversal of 102155479560 is 65974551201.

It is a happy number.

102155479560 is a `hidden beast` number, since 1 + 0 + 2 + 1 + 554 + 7 + 95 + 6 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5245192 + ... + 5264631.

It is an arithmetic number, because the mean of its divisors is an integer number (3586477440).

Almost surely, 2^102155479560 is an apocalyptic number.

102155479560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102155479560 is an abundant number, since it is smaller than the sum of its proper divisors (242146354680).

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

102155479560 is a wasteful number, since it uses less digits than its factorization.

102155479560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10509849 (or 10509833 counting only the distinct ones).

The product of its (nonzero) digits is 378000, while the sum is 45.

The spelling of 102155479560 in words is "one hundred two billion, one hundred fifty-five million, four hundred seventy-nine thousand, five hundred sixty".