11436394079 has 8 divisors (see below), whose sum is σ = 12766207872. Its totient is φ = 10154937240.

The previous prime is 11436394049. The next prime is 11436394097. The reversal of 11436394079 is 97049363411.

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-11436394079 is a prime.

It is a super-2 number, since 2×11436394079² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11436394049) 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, 12088739 + ... + 12089684.

It is an arithmetic number, because the mean of its divisors is an integer number (1595775984).

Almost surely, 2^11436394079 is an apocalyptic number.

11436394079 is a deficient number, since it is larger than the sum of its proper divisors (1329813793).

11436394079 is a wasteful number, since it uses less digits than its factorization.

11436394079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24178477.

The product of its (nonzero) digits is 489888, while the sum is 47.

The spelling of 11436394079 in words is "eleven billion, four hundred thirty-six million, three hundred ninety-four thousand, seventy-nine".