11580317253 has 16 divisors (see below), whose sum is σ = 17194770240. Its totient is φ = 7702776432.

The previous prime is 11580317249. The next prime is 11580317257. The reversal of 11580317253 is 35271308511.

It is a happy number.

11580317253 is a `hidden beast` number, since 1 + 1 + 580 + 3 + 1 + 72 + 5 + 3 = 666.

It is an interprime number because it is at equal distance from previous prime (11580317249) and next prime (11580317257).

It is not a de Polignac number, because 11580317253 - 2² = 11580317249 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11580317257) 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, 472126 + ... + 496047.

It is an arithmetic number, because the mean of its divisors is an integer number (1074673140).

Almost surely, 2^11580317253 is an apocalyptic number.

It is an amenable number.

11580317253 is a deficient number, since it is larger than the sum of its proper divisors (5614452987).

11580317253 is an equidigital number, since it uses as much as digits as its factorization.

11580317253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 968625 (or 968619 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 36.

The spelling of 11580317253 in words is "eleven billion, five hundred eighty million, three hundred seventeen thousand, two hundred fifty-three".