102665232859 has 4 divisors (see below), whose sum is σ = 117331694704. Its totient is φ = 87998771016.

The previous prime is 102665232827. The next prime is 102665232877. The reversal of 102665232859 is 958232566201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 102665232859 - 2⁵ = 102665232827 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102665232809) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7333230912 + ... + 7333230925.

It is an arithmetic number, because the mean of its divisors is an integer number (29332923676).

Almost surely, 2^102665232859 is an apocalyptic number.

102665232859 is a deficient number, since it is larger than the sum of its proper divisors (14666461845).

102665232859 is an equidigital number, since it uses as much as digits as its factorization.

102665232859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14666461844.

The product of its (nonzero) digits is 1555200, while the sum is 49.

The spelling of 102665232859 in words is "one hundred two billion, six hundred sixty-five million, two hundred thirty-two thousand, eight hundred fifty-nine".