15840632464255 has 8 divisors (see below), whose sum is σ = 19016844364224. Its totient is φ = 12667115700000.

The previous prime is 15840632464247. The next prime is 15840632464259. The reversal of 15840632464255 is 55246423604851.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 15840632464255 - 2³ = 15840632464247 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 15840632464196 and 15840632464205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15840632464259) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 673770996 + ... + 673794505.

It is an arithmetic number, because the mean of its divisors is an integer number (2377105545528).

Almost surely, 2^{15840632464255} is an apocalyptic number.

15840632464255 is a deficient number, since it is larger than the sum of its proper divisors (3176211899969).

15840632464255 is a wasteful number, since it uses less digits than its factorization.

15840632464255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1347567857.

The product of its (nonzero) digits is 27648000, while the sum is 55.

The spelling of 15840632464255 in words is "fifteen trillion, eight hundred forty billion, six hundred thirty-two million, four hundred sixty-four thousand, two hundred fifty-five".