15214435255551 has 16 divisors (see below), whose sum is σ = 23183989081344. Its totient is φ = 8693930100864.

The previous prime is 15214435255501. The next prime is 15214435255589. The reversal of 15214435255551 is 15555253441251.

It is not a de Polignac number, because 15214435255551 - 2²⁶ = 15214368146687 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 15214435255551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15214435255501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4998295 + ... + 7443911.

It is an arithmetic number, because the mean of its divisors is an integer number (1448999317584).

Almost surely, 2^{15214435255551} is an apocalyptic number.

15214435255551 is a deficient number, since it is larger than the sum of its proper divisors (7969553825793).

15214435255551 is a wasteful number, since it uses less digits than its factorization.

15214435255551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2741870.

The product of its digits is 3000000, while the sum is 48.

The spelling of 15214435255551 in words is "fifteen trillion, two hundred fourteen billion, four hundred thirty-five million, two hundred fifty-five thousand, five hundred fifty-one".