15125213322 has 64 divisors (see below), whose sum is σ = 34485937920. Its totient is φ = 4910976000.

The previous prime is 15125213267. The next prime is 15125213339. The reversal of 15125213322 is 22331252151.

15125213322 is a `hidden beast` number, since 1 + 5 + 125 + 213 + 322 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1484947 + ... + 1495097.

It is an arithmetic number, because the mean of its divisors is an integer number (538842780).

Almost surely, 2^15125213322 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15125213322, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17242968960).

15125213322 is an abundant number, since it is smaller than the sum of its proper divisors (19360724598).

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

15125213322 is a wasteful number, since it uses less digits than its factorization.

15125213322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10876 (or 10870 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

Adding to 15125213322 its reverse (22331252151), we get a palindrome (37456465473).

The spelling of 15125213322 in words is "fifteen billion, one hundred twenty-five million, two hundred thirteen thousand, three hundred twenty-two".