20111114439 has 12 divisors (see below), whose sum is σ = 31283955976. Its totient is φ = 12376070352.

The previous prime is 20111114431. The next prime is 20111114449. The reversal of 20111114439 is 93441111102.

20111114439 is a `hidden beast` number, since 2 + 0 + 111 + 114 + 439 = 666.

It is not a de Polignac number, because 20111114439 - 2³ = 20111114431 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20111114431) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 85944817 + ... + 85945050.

Almost surely, 2^20111114439 is an apocalyptic number.

20111114439 is a deficient number, since it is larger than the sum of its proper divisors (11172841537).

20111114439 is a wasteful number, since it uses less digits than its factorization.

20111114439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171889886 (or 171889883 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The spelling of 20111114439 in words is "twenty billion, one hundred eleven million, one hundred fourteen thousand, four hundred thirty-nine".