102356432815 has 32 divisors (see below), whose sum is σ = 151317121536. Its totient is φ = 64726300800.

The previous prime is 102356432791. The next prime is 102356432833. The reversal of 102356432815 is 518234653201.

It is not a de Polignac number, because 102356432815 - 2²⁷ = 102222215087 is a prime.

It is a super-2 number, since 2×102356432815² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 371184 + ... + 585226.

It is an arithmetic number, because the mean of its divisors is an integer number (4728660048).

Almost surely, 2^102356432815 is an apocalyptic number.

102356432815 is a deficient number, since it is larger than the sum of its proper divisors (48960688721).

102356432815 is a wasteful number, since it uses less digits than its factorization.

102356432815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215119.

The product of its (nonzero) digits is 172800, while the sum is 40.

The spelling of 102356432815 in words is "one hundred two billion, three hundred fifty-six million, four hundred thirty-two thousand, eight hundred fifteen".