15322134112 has 48 divisors (see below), whose sum is σ = 31520482560. Its totient is φ = 7317853312.

The previous prime is 15322134029. The next prime is 15322134131. The reversal of 15322134112 is 21143122351.

It is a super-2 number, since 2×15322134112² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 532839 + ... + 560857.

It is an arithmetic number, because the mean of its divisors is an integer number (656676720).

Almost surely, 2^15322134112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15322134112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15760241280).

15322134112 is an abundant number, since it is smaller than the sum of its proper divisors (16198348448).

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

15322134112 is a wasteful number, since it uses less digits than its factorization.

15322134112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28795 (or 28787 counting only the distinct ones).

The product of its digits is 1440, while the sum is 25.

Adding to 15322134112 its reverse (21143122351), we get a palindrome (36465256463).

The spelling of 15322134112 in words is "fifteen billion, three hundred twenty-two million, one hundred thirty-four thousand, one hundred twelve".