11879394461 has 8 divisors (see below), whose sum is σ = 12984219648. Its totient is φ = 10778716000.

The previous prime is 11879394451. The next prime is 11879394473. The reversal of 11879394461 is 16449397811.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11879394461 is a prime.

It is a super-2 number, since 2×11879394461² (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 (11879394451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1030685 + ... + 1042146.

It is an arithmetic number, because the mean of its divisors is an integer number (1623027456).

Almost surely, 2^11879394461 is an apocalyptic number.

11879394461 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11879394461 is a deficient number, since it is larger than the sum of its proper divisors (1104825187).

11879394461 is a wasteful number, since it uses less digits than its factorization.

11879394461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2073363.

The product of its digits is 1306368, while the sum is 53.

The spelling of 11879394461 in words is "eleven billion, eight hundred seventy-nine million, three hundred ninety-four thousand, four hundred sixty-one".