15542325453156 has 24 divisors (see below), whose sum is σ = 37842183712704. Its totient is φ = 4955524057440.

The previous prime is 15542325453143. The next prime is 15542325453173. The reversal of 15542325453156 is 65135452324551.

It is a junction number, because it is equal to n+sod(n) for n = 15542325453099 and 15542325453108.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28156386415 + ... + 28156386966.

It is an arithmetic number, because the mean of its divisors is an integer number (1576757654696).

Almost surely, 2^{15542325453156} is an apocalyptic number.

It is an amenable number.

15542325453156 is an abundant number, since it is smaller than the sum of its proper divisors (22299858259548).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15542325453156 is a wasteful number, since it uses less digits than its factorization.

15542325453156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56312773411 (or 56312773409 counting only the distinct ones).

The product of its digits is 10800000, while the sum is 51.

The spelling of 15542325453156 in words is "fifteen trillion, five hundred forty-two billion, three hundred twenty-five million, four hundred fifty-three thousand, one hundred fifty-six".