15125025022 has 4 divisors (see below), whose sum is σ = 22687537536. Its totient is φ = 7562512510.

The previous prime is 15125025017. The next prime is 15125025053. The reversal of 15125025022 is 22052052151.

15125025022 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22052052151 = 31 ⋅711356521.

It is a super-2 number, since 2×15125025022² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3781256254 + ... + 3781256257.

It is an arithmetic number, because the mean of its divisors is an integer number (5671884384).

Almost surely, 2^15125025022 is an apocalyptic number.

15125025022 is a deficient number, since it is larger than the sum of its proper divisors (7562512514).

15125025022 is an equidigital number, since it uses as much as digits as its factorization.

15125025022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7562512513.

The product of its (nonzero) digits is 2000, while the sum is 25.

Adding to 15125025022 its reverse (22052052151), we get a palindrome (37177077173).

The spelling of 15125025022 in words is "fifteen billion, one hundred twenty-five million, twenty-five thousand, twenty-two".