11900992017 has 16 divisors (see below), whose sum is σ = 16019784000. Its totient is φ = 7858154304.

The previous prime is 11900992009. The next prime is 11900992093. The reversal of 11900992017 is 71029900911.

It is not a de Polignac number, because 11900992017 - 2³ = 11900992009 is a prime.

It is a super-2 number, since 2×11900992017² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11900992217) 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, 1102834 + ... + 1113572.

It is an arithmetic number, because the mean of its divisors is an integer number (1001236500).

Almost surely, 2^11900992017 is an apocalyptic number.

It is an amenable number.

11900992017 is a deficient number, since it is larger than the sum of its proper divisors (4118791983).

11900992017 is a wasteful number, since it uses less digits than its factorization.

11900992017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14240.

The product of its (nonzero) digits is 10206, while the sum is 39.

The spelling of 11900992017 in words is "eleven billion, nine hundred million, nine hundred ninety-two thousand, seventeen".