15542022453231 has 16 divisors (see below), whose sum is σ = 21985123635200. Its totient is φ = 9738722726208.

The previous prime is 15542022453197. The next prime is 15542022453241. The reversal of 15542022453231 is 13235422024551.

It is not a de Polignac number, because 15542022453231 - 2¹⁰ = 15542022452207 is a prime.

It is a super-2 number, since 2×15542022453231² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 15542022453231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15542022453241) 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, 1073485126 + ... + 1073499603.

It is an arithmetic number, because the mean of its divisors is an integer number (1374070227200).

Almost surely, 2^{15542022453231} is an apocalyptic number.

15542022453231 is a deficient number, since it is larger than the sum of its proper divisors (6443101181969).

15542022453231 is a wasteful number, since it uses less digits than its factorization.

15542022453231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2146984878.

The product of its (nonzero) digits is 288000, while the sum is 39.

Adding to 15542022453231 its reverse (13235422024551), we get a palindrome (28777444477782).

The spelling of 15542022453231 in words is "fifteen trillion, five hundred forty-two billion, twenty-two million, four hundred fifty-three thousand, two hundred thirty-one".