13665425504235 has 16 divisors (see below), whose sum is σ = 21864761028864. Its totient is φ = 7288200194912.

The previous prime is 13665425504189. The next prime is 13665425504327. The reversal of 13665425504235 is 53240552456631.

It is a cyclic number.

It is not a de Polignac number, because 13665425504235 - 2¹⁰ = 13665425503211 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2968834 + ... + 6012056.

It is an arithmetic number, because the mean of its divisors is an integer number (1366547564304).

Almost surely, 2^{13665425504235} is an apocalyptic number.

13665425504235 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13665425504235 is a deficient number, since it is larger than the sum of its proper divisors (8199335524629).

13665425504235 is a wasteful number, since it uses less digits than its factorization.

13665425504235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3342594.

The product of its (nonzero) digits is 12960000, while the sum is 51.

The spelling of 13665425504235 in words is "thirteen trillion, six hundred sixty-five billion, four hundred twenty-five million, five hundred four thousand, two hundred thirty-five".