15525142422404 has 12 divisors (see below), whose sum is σ = 28045418569728. Its totient is φ = 7512165688200.

The previous prime is 15525142422397. The next prime is 15525142422407. The reversal of 15525142422404 is 40422424152551.

15525142422404 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×15525142422404² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (15525142422407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62601380612 + ... + 62601380859.

It is an arithmetic number, because the mean of its divisors is an integer number (2337118214144).

Almost surely, 2^{15525142422404} is an apocalyptic number.

It is an amenable number.

15525142422404 is a deficient number, since it is larger than the sum of its proper divisors (12520276147324).

15525142422404 is a wasteful number, since it uses less digits than its factorization.

15525142422404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125202761506 (or 125202761504 counting only the distinct ones).

The product of its (nonzero) digits is 512000, while the sum is 41.

Adding to 15525142422404 its reverse (40422424152551), we get a palindrome (55947566574955).

The spelling of 15525142422404 in words is "fifteen trillion, five hundred twenty-five billion, one hundred forty-two million, four hundred twenty-two thousand, four hundred four".