15106747131 has 40 divisors (see below), whose sum is σ = 26487790560. Its totient is φ = 8399106432.

The previous prime is 15106747109. The next prime is 15106747141. The reversal of 15106747131 is 13174760151.

It is a happy number.

15106747131 is a `hidden beast` number, since 1 + 510 + 6 + 7 + 4 + 7 + 131 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-15106747131 is a prime.

It is a super-2 number, since 2×15106747131² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (15106747141) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 339066 + ... + 381023.

It is an arithmetic number, because the mean of its divisors is an integer number (662194764).

Almost surely, 2^15106747131 is an apocalyptic number.

15106747131 is a deficient number, since it is larger than the sum of its proper divisors (11381043429).

15106747131 is an equidigital number, since it uses as much as digits as its factorization.

15106747131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 720145 (or 720136 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 36.

The spelling of 15106747131 in words is "fifteen billion, one hundred six million, seven hundred forty-seven thousand, one hundred thirty-one".