15631214660123 has 16 divisors (see below), whose sum is σ = 16587684057600. Its totient is φ = 14697828330240.

The previous prime is 15631214660081. The next prime is 15631214660161. The reversal of 15631214660123 is 32106641213651.

It is a cyclic number.

It is not a de Polignac number, because 15631214660123 - 2²⁴ = 15631197882907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15631214660183) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69679883 + ... + 69903851.

It is an arithmetic number, because the mean of its divisors is an integer number (1036730253600).

Almost surely, 2^{15631214660123} is an apocalyptic number.

15631214660123 is a deficient number, since it is larger than the sum of its proper divisors (956469397477).

15631214660123 is a wasteful number, since it uses less digits than its factorization.

15631214660123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275482.

The product of its (nonzero) digits is 155520, while the sum is 41.

Adding to 15631214660123 its reverse (32106641213651), we get a palindrome (47737855873774).

The spelling of 15631214660123 in words is "fifteen trillion, six hundred thirty-one billion, two hundred fourteen million, six hundred sixty thousand, one hundred twenty-three".