15042422555425 has 12 divisors (see below), whose sum is σ = 19463586750720. Its totient is φ = 11510723346320.

The previous prime is 15042422555399. The next prime is 15042422555429. The reversal of 15042422555425 is 52455522424051.

It is a happy number.

It is not a de Polignac number, because 15042422555425 - 2⁷ = 15042422555297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (15042422555429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13080366865 + ... + 13080368014.

It is an arithmetic number, because the mean of its divisors is an integer number (1621965562560).

Almost surely, 2^{15042422555425} is an apocalyptic number.

It is an amenable number.

15042422555425 is a deficient number, since it is larger than the sum of its proper divisors (4421164195295).

15042422555425 is a wasteful number, since it uses less digits than its factorization.

15042422555425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26160734912 (or 26160734907 counting only the distinct ones).

The product of its (nonzero) digits is 3200000, while the sum is 46.

Adding to 15042422555425 its reverse (52455522424051), we get a palindrome (67497944979476).

The spelling of 15042422555425 in words is "fifteen trillion, forty-two billion, four hundred twenty-two million, five hundred fifty-five thousand, four hundred twenty-five".