11435879217 has 16 divisors (see below), whose sum is σ = 17442559872. Its totient is φ = 6528616320.

The previous prime is 11435879179. The next prime is 11435879237. The reversal of 11435879217 is 71297853411.

It is not a de Polignac number, because 11435879217 - 2⁷ = 11435879089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11435879237) 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, 234348 + ... + 278909.

It is an arithmetic number, because the mean of its divisors is an integer number (1090159992).

Almost surely, 2^11435879217 is an apocalyptic number.

It is an amenable number.

11435879217 is a deficient number, since it is larger than the sum of its proper divisors (6006680655).

11435879217 is a wasteful number, since it uses less digits than its factorization.

11435879217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 514328.

The product of its digits is 423360, while the sum is 48.

The spelling of 11435879217 in words is "eleven billion, four hundred thirty-five million, eight hundred seventy-nine thousand, two hundred seventeen".