102514688817 has 4 divisors (see below), whose sum is σ = 136686251760. Its totient is φ = 68343125876.

The previous prime is 102514688813. The next prime is 102514688851. The reversal of 102514688817 is 718886415201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 102514688817 - 2² = 102514688813 is a prime.

It is a super-2 number, since 2×102514688817² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 102514688817.

It is not an unprimeable number, because it can be changed into a prime (102514688813) 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 3 ways as a sum of consecutive naturals, for example, 17085781467 + ... + 17085781472.

It is an arithmetic number, because the mean of its divisors is an integer number (34171562940).

Almost surely, 2^102514688817 is an apocalyptic number.

It is an amenable number.

102514688817 is a deficient number, since it is larger than the sum of its proper divisors (34171562943).

102514688817 is an equidigital number, since it uses as much as digits as its factorization.

102514688817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34171562942.

The product of its (nonzero) digits is 860160, while the sum is 51.

The spelling of 102514688817 in words is "one hundred two billion, five hundred fourteen million, six hundred eighty-eight thousand, eight hundred seventeen".