102516102516 has 48 divisors (see below), whose sum is σ = 241625276928. Its totient is φ = 33826320000.

The previous prime is 102516102497. The next prime is 102516102539. The reversal of 102516102516 is 615201615201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10349166 + ... + 10359066.

It is an arithmetic number, because the mean of its divisors is an integer number (5033859936).

Almost surely, 2^102516102516 is an apocalyptic number.

It is an amenable number.

102516102516 is an abundant number, since it is smaller than the sum of its proper divisors (139109174412).

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

102516102516 is a wasteful number, since it uses less digits than its factorization.

102516102516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18552 (or 18550 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 30.

Adding to 102516102516 its reverse (615201615201), we get a palindrome (717717717717).

The spelling of 102516102516 in words is "one hundred two billion, five hundred sixteen million, one hundred two thousand, five hundred sixteen".