11117317387 has 8 divisors (see below), whose sum is σ = 12294120240. Its totient is φ = 9968204160.

The previous prime is 11117317339. The next prime is 11117317397. The reversal of 11117317387 is 78371371111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11117317387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11117317327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6921562 + ... + 6923167.

It is an arithmetic number, because the mean of its divisors is an integer number (1536765030).

Almost surely, 2^11117317387 is an apocalyptic number.

11117317387 is a deficient number, since it is larger than the sum of its proper divisors (1176802853).

11117317387 is a wasteful number, since it uses less digits than its factorization.

11117317387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13844813.

The product of its digits is 24696, while the sum is 40.

Adding to 11117317387 its reverse (78371371111), we get a palindrome (89488688498).

The spelling of 11117317387 in words is "eleven billion, one hundred seventeen million, three hundred seventeen thousand, three hundred eighty-seven".