15233272216507 has 4 divisors (see below), whose sum is σ = 15233915347056. Its totient is φ = 15232629085960.

The previous prime is 15233272216361. The next prime is 15233272216541. The reversal of 15233272216507 is 70561227233251.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15233272216507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15233272216577) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 321529744 + ... + 321577117.

It is an arithmetic number, because the mean of its divisors is an integer number (3808478836764).

Almost surely, 2^{15233272216507} is an apocalyptic number.

15233272216507 is a deficient number, since it is larger than the sum of its proper divisors (643130549).

15233272216507 is an equidigital number, since it uses as much as digits as its factorization.

15233272216507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 643130548.

The product of its (nonzero) digits is 1058400, while the sum is 46.

Adding to 15233272216507 its reverse (70561227233251), we get a palindrome (85794499449758).

The spelling of 15233272216507 in words is "fifteen trillion, two hundred thirty-three billion, two hundred seventy-two million, two hundred sixteen thousand, five hundred seven".