15131134122 has 24 divisors (see below), whose sum is σ = 32769203904. Its totient is φ = 4655733264.

The previous prime is 15131134103. The next prime is 15131134129. The reversal of 15131134122 is 22143113151.

It is a junction number, because it is equal to n+sod(n) for n = 15131134092 and 15131134101.

It is not an unprimeable number, because it can be changed into a prime (15131134129) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7460098 + ... + 7462125.

It is an arithmetic number, because the mean of its divisors is an integer number (1365383496).

Almost surely, 2^15131134122 is an apocalyptic number.

15131134122 is an abundant number, since it is smaller than the sum of its proper divisors (17638069782).

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

15131134122 is a wasteful number, since it uses less digits than its factorization.

15131134122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14922254 (or 14922241 counting only the distinct ones).

The product of its digits is 720, while the sum is 24.

Adding to 15131134122 its reverse (22143113151), we get a palindrome (37274247273).

The spelling of 15131134122 in words is "fifteen billion, one hundred thirty-one million, one hundred thirty-four thousand, one hundred twenty-two".