11560121315 has 4 divisors (see below), whose sum is σ = 13872145584. Its totient is φ = 9248097048.

The previous prime is 11560121311. The next prime is 11560121323. The reversal of 11560121315 is 51312106511.

11560121315 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 51312106511 = 839 ⋅61158649.

It is a cyclic number.

It is not a de Polignac number, because 11560121315 - 2² = 11560121311 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11560121311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1156012127 + ... + 1156012136.

It is an arithmetic number, because the mean of its divisors is an integer number (3468036396).

Almost surely, 2^11560121315 is an apocalyptic number.

11560121315 is a deficient number, since it is larger than the sum of its proper divisors (2312024269).

11560121315 is an equidigital number, since it uses as much as digits as its factorization.

11560121315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2312024268.

The product of its (nonzero) digits is 900, while the sum is 26.

Adding to 11560121315 its reverse (51312106511), we get a palindrome (62872227826).

The spelling of 11560121315 in words is "eleven billion, five hundred sixty million, one hundred twenty-one thousand, three hundred fifteen".