15814001612345 has 16 divisors (see below), whose sum is σ = 19132601161728. Its totient is φ = 12547401552000.

The previous prime is 15814001612333. The next prime is 15814001612393. The reversal of 15814001612345 is 54321610041851.

It is not a de Polignac number, because 15814001612345 - 2⁸ = 15814001612089 is a prime.

It is a Duffinian number.

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, 2243639 + ... + 6054908.

It is an arithmetic number, because the mean of its divisors is an integer number (1195787572608).

Almost surely, 2^{15814001612345} is an apocalyptic number.

It is an amenable number.

15814001612345 is a deficient number, since it is larger than the sum of its proper divisors (3318599549383).

15814001612345 is a wasteful number, since it uses less digits than its factorization.

15814001612345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8301680.

The product of its (nonzero) digits is 115200, while the sum is 41.

The spelling of 15814001612345 in words is "fifteen trillion, eight hundred fourteen billion, one million, six hundred twelve thousand, three hundred forty-five".