102026360616521 has 8 divisors (see below), whose sum is σ = 111301907499264. Its totient is φ = 92750884265520.

The previous prime is 102026360616493. The next prime is 102026360616541. The reversal of 102026360616521 is 125616063620201.

It is a happy number.

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-102026360616521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102026360616541) 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, 14585465 + ... + 20415398.

It is an arithmetic number, because the mean of its divisors is an integer number (13912738437408).

Almost surely, 2^{102026360616521} is an apocalyptic number.

102026360616521 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

102026360616521 is a deficient number, since it is larger than the sum of its proper divisors (9275546882743).

102026360616521 is a wasteful number, since it uses less digits than its factorization.

102026360616521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35265871.

The product of its (nonzero) digits is 155520, while the sum is 41.

The spelling of 102026360616521 in words is "one hundred two trillion, twenty-six billion, three hundred sixty million, six hundred sixteen thousand, five hundred twenty-one".