15420254205629 has 24 divisors (see below), whose sum is σ = 19445612876928. Its totient is φ = 12119841669600.

The previous prime is 15420254205569. The next prime is 15420254205679. The reversal of 15420254205629 is 92650245202451.

It is not a de Polignac number, because 15420254205629 - 2²⁸ = 15419985770173 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15420254205679) 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 23 ways as a sum of consecutive naturals, for example, 80061497 + ... + 80253870.

It is an arithmetic number, because the mean of its divisors is an integer number (810233869872).

Almost surely, 2^{15420254205629} is an apocalyptic number.

It is an amenable number.

15420254205629 is a deficient number, since it is larger than the sum of its proper divisors (4025358671299).

15420254205629 is a wasteful number, since it uses less digits than its factorization.

15420254205629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160315545 (or 160315538 counting only the distinct ones).

The product of its (nonzero) digits is 1728000, while the sum is 47.

The spelling of 15420254205629 in words is "fifteen trillion, four hundred twenty billion, two hundred fifty-four million, two hundred five thousand, six hundred twenty-nine".