15125535222 has 64 divisors (see below), whose sum is σ = 36930484224. Its totient is φ = 4031354880.

The previous prime is 15125535179. The next prime is 15125535277. The reversal of 15125535222 is 22253552151.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 13054 + ... + 174417.

It is an arithmetic number, because the mean of its divisors is an integer number (577038816).

Almost surely, 2^15125535222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15125535222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18465242112).

15125535222 is an abundant number, since it is smaller than the sum of its proper divisors (21804949002).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15125535222 is a wasteful number, since it uses less digits than its factorization.

15125535222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187613.

The product of its digits is 30000, while the sum is 33.

The spelling of 15125535222 in words is "fifteen billion, one hundred twenty-five million, five hundred thirty-five thousand, two hundred twenty-two".