11487417319 has 16 divisors (see below), whose sum is σ = 13807687680. Its totient is φ = 9348936480.

The previous prime is 11487417307. The next prime is 11487417323. The reversal of 11487417319 is 91371478411.

It is a cyclic number.

It is not a de Polignac number, because 11487417319 - 2⁹ = 11487416807 is a prime.

It is a super-2 number, since 2×11487417319² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11487417329) 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, 487909 + ... + 510910.

It is an arithmetic number, because the mean of its divisors is an integer number (862980480).

Almost surely, 2^11487417319 is an apocalyptic number.

11487417319 is a deficient number, since it is larger than the sum of its proper divisors (2320270361).

11487417319 is an equidigital number, since it uses as much as digits as its factorization.

11487417319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 998910.

The product of its digits is 169344, while the sum is 46.

The spelling of 11487417319 in words is "eleven billion, four hundred eighty-seven million, four hundred seventeen thousand, three hundred nineteen".