11152312315 has 4 divisors (see below), whose sum is σ = 13382774784. Its totient is φ = 8921849848.

The previous prime is 11152312253. The next prime is 11152312319. The reversal of 11152312315 is 51321325111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 51321325111 = 7 ⋅7331617873.

It is a cyclic number.

It is not a de Polignac number, because 11152312315 - 2¹⁵ = 11152279547 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11152312315.

It is not an unprimeable number, because it can be changed into a prime (11152312319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1115231227 + ... + 1115231236.

It is an arithmetic number, because the mean of its divisors is an integer number (3345693696).

Almost surely, 2^11152312315 is an apocalyptic number.

11152312315 is a deficient number, since it is larger than the sum of its proper divisors (2230462469).

11152312315 is an equidigital number, since it uses as much as digits as its factorization.

11152312315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2230462468.

The product of its digits is 900, while the sum is 25.

Adding to 11152312315 its reverse (51321325111), we get a palindrome (62473637426).

The spelling of 11152312315 in words is "eleven billion, one hundred fifty-two million, three hundred twelve thousand, three hundred fifteen".