15042422425 has 6 divisors (see below), whose sum is σ = 18652603838. Its totient is φ = 12033937920.

The previous prime is 15042422419. The next prime is 15042422459. The reversal of 15042422425 is 52422424051.

It can be written as a sum of positive squares in 3 ways, for example, as 233722944 + 14808699481 = 15288^2 + 121691^2 .

It is not a de Polignac number, because 15042422425 - 2⁵ = 15042422393 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 300848424 + ... + 300848473.

Almost surely, 2^15042422425 is an apocalyptic number.

It is an amenable number.

15042422425 is a deficient number, since it is larger than the sum of its proper divisors (3610181413).

15042422425 is an equidigital number, since it uses as much as digits as its factorization.

15042422425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 601696907 (or 601696902 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 31.

Adding to 15042422425 its reverse (52422424051), we get a palindrome (67464846476).

The spelling of 15042422425 in words is "fifteen billion, forty-two million, four hundred twenty-two thousand, four hundred twenty-five".