102432561515311 has 4 divisors (see below), whose sum is σ = 104168706625800. Its totient is φ = 100696416404824.

The previous prime is 102432561515209. The next prime is 102432561515321. The reversal of 102432561515311 is 113515165234201.

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 102432561515311 - 2¹⁵ = 102432561482543 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102432561515321) 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, 868072555156 + ... + 868072555273.

It is an arithmetic number, because the mean of its divisors is an integer number (26042176656450).

Almost surely, 2^{102432561515311} is an apocalyptic number.

102432561515311 is a deficient number, since it is larger than the sum of its proper divisors (1736145110489).

102432561515311 is an equidigital number, since it uses as much as digits as its factorization.

102432561515311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1736145110488.

The product of its (nonzero) digits is 108000, while the sum is 40.

The spelling of 102432561515311 in words is "one hundred two trillion, four hundred thirty-two billion, five hundred sixty-one million, five hundred fifteen thousand, three hundred eleven".