102551125516 has 48 divisors (see below), whose sum is σ = 217227419136. Its totient is φ = 41353668864.

The previous prime is 102551125421. The next prime is 102551125519. The reversal of 102551125516 is 615521155201.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is not an unprimeable number, because it can be changed into a prime (102551125519) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1803171 + ... + 1859173.

It is an arithmetic number, because the mean of its divisors is an integer number (4525571232).

Almost surely, 2^102551125516 is an apocalyptic number.

It is an amenable number.

102551125516 is an abundant number, since it is smaller than the sum of its proper divisors (114676293620).

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

102551125516 is a wasteful number, since it uses less digits than its factorization.

102551125516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59878 (or 59876 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 34.

The spelling of 102551125516 in words is "one hundred two billion, five hundred fifty-one million, one hundred twenty-five thousand, five hundred sixteen".