12511022315 has 16 divisors (see below), whose sum is σ = 16906392576. Its totient is φ = 8805410400.

The previous prime is 12511022299. The next prime is 12511022317. The reversal of 12511022315 is 51322011521.

It is not a de Polignac number, because 12511022315 - 2⁴ = 12511022299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12511022317) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3667217 + ... + 3670626.

It is an arithmetic number, because the mean of its divisors is an integer number (1056649536).

Almost surely, 2^12511022315 is an apocalyptic number.

12511022315 is a deficient number, since it is larger than the sum of its proper divisors (4395370261).

12511022315 is a wasteful number, since it uses less digits than its factorization.

12511022315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7337890.

The product of its (nonzero) digits is 600, while the sum is 23.

Adding to 12511022315 its reverse (51322011521), we get a palindrome (63833033836).

The spelling of 12511022315 in words is "twelve billion, five hundred eleven million, twenty-two thousand, three hundred fifteen".