15132156317 has 8 divisors (see below), whose sum is σ = 15324444096. Its totient is φ = 14940741312.

The previous prime is 15132156313. The next prime is 15132156379. The reversal of 15132156317 is 71365123151.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 15132156317 - 2² = 15132156313 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15132156313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 183263 + ... + 252684.

It is an arithmetic number, because the mean of its divisors is an integer number (1915555512).

Almost surely, 2^15132156317 is an apocalyptic number.

It is an amenable number.

15132156317 is a deficient number, since it is larger than the sum of its proper divisors (192287779).

15132156317 is a wasteful number, since it uses less digits than its factorization.

15132156317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 436387.

The product of its digits is 18900, while the sum is 35.

Adding to 15132156317 its reverse (71365123151), we get a palindrome (86497279468).

The spelling of 15132156317 in words is "fifteen billion, one hundred thirty-two million, one hundred fifty-six thousand, three hundred seventeen".