11774857159 has 12 divisors (see below), whose sum is σ = 12779152056. Its totient is φ = 10844494752.

The previous prime is 11774857151. The next prime is 11774857187. The reversal of 11774857159 is 95175847711.

It is not a de Polignac number, because 11774857159 - 2³ = 11774857151 is a prime.

It is a super-2 number, since 2×11774857159² (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 (11774857151) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3772 + ... + 153505.

It is an arithmetic number, because the mean of its divisors is an integer number (1064929338).

Almost surely, 2^11774857159 is an apocalyptic number.

11774857159 is a deficient number, since it is larger than the sum of its proper divisors (1004294897).

11774857159 is a wasteful number, since it uses less digits than its factorization.

11774857159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157746 (or 157733 counting only the distinct ones).

The product of its digits is 2469600, while the sum is 55.

The spelling of 11774857159 in words is "eleven billion, seven hundred seventy-four million, eight hundred fifty-seven thousand, one hundred fifty-nine".