11889960127 has 4 divisors (see below), whose sum is σ = 11999042440. Its totient is φ = 11780877816.

The previous prime is 11889960083. The next prime is 11889960149. The reversal of 11889960127 is 72106998811.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72106998811 = 73 ⋅987767107.

It is a cyclic number.

It is not a de Polignac number, because 11889960127 - 2²³ = 11881571519 is a prime.

It is a super-2 number, since 2×11889960127² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11889960167) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54540993 + ... + 54541210.

It is an arithmetic number, because the mean of its divisors is an integer number (2999760610).

Almost surely, 2^11889960127 is an apocalyptic number.

11889960127 is a deficient number, since it is larger than the sum of its proper divisors (109082313).

11889960127 is a wasteful number, since it uses less digits than its factorization.

11889960127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109082312.

The product of its (nonzero) digits is 435456, while the sum is 52.

The spelling of 11889960127 in words is "eleven billion, eight hundred eighty-nine million, nine hundred sixty thousand, one hundred twenty-seven".