102517538497 has 8 divisors (see below), whose sum is σ = 118415980512. Its totient is φ = 87715540800.

The previous prime is 102517538483. The next prime is 102517538527. The reversal of 102517538497 is 794835715201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102517538497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102517538477) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 274110879 + ... + 274111252.

It is an arithmetic number, because the mean of its divisors is an integer number (14801997564).

Almost surely, 2^102517538497 is an apocalyptic number.

102517538497 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

102517538497 is a deficient number, since it is larger than the sum of its proper divisors (15898442015).

102517538497 is a wasteful number, since it uses less digits than its factorization.

102517538497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 548222159.

The product of its (nonzero) digits is 2116800, while the sum is 52.

The spelling of 102517538497 in words is "one hundred two billion, five hundred seventeen million, five hundred thirty-eight thousand, four hundred ninety-seven".