11157996767 has 8 divisors (see below), whose sum is σ = 11819182896. Its totient is φ = 10497347712.

The previous prime is 11157996757. The next prime is 11157996779. The reversal of 11157996767 is 76769975111.

It is a happy number.

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-11157996767 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11157996737) 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, 91088 + ... + 174965.

It is an arithmetic number, because the mean of its divisors is an integer number (1477397862).

Almost surely, 2^11157996767 is an apocalyptic number.

11157996767 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

11157996767 is a deficient number, since it is larger than the sum of its proper divisors (661186129).

11157996767 is a wasteful number, since it uses less digits than its factorization.

11157996767 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268537.

The product of its digits is 5000940, while the sum is 59.

The spelling of 11157996767 in words is "eleven billion, one hundred fifty-seven million, nine hundred ninety-six thousand, seven hundred sixty-seven".