13111143984 has 30 divisors (see below), whose sum is σ = 36692993636. Its totient is φ = 4370381280.

The previous prime is 13111143979. The next prime is 13111143989. The reversal of 13111143984 is 48934111131.

13111143984 is a `hidden beast` number, since 1 + 31 + 111 + 439 + 84 = 666.

It is an interprime number because it is at equal distance from previous prime (13111143979) and next prime (13111143989).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (13111143989) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 45524662 + ... + 45524949.

Almost surely, 2^13111143984 is an apocalyptic number.

It is an amenable number.

13111143984 is an abundant number, since it is smaller than the sum of its proper divisors (23581849652).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13111143984 is a wasteful number, since it uses less digits than its factorization.

13111143984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91049625 (or 91049616 counting only the distinct ones).

The product of its digits is 10368, while the sum is 36.

The spelling of 13111143984 in words is "thirteen billion, one hundred eleven million, one hundred forty-three thousand, nine hundred eighty-four".