11135791157 has 4 divisors (see below), whose sum is σ = 11324533440. Its totient is φ = 10947048876.

The previous prime is 11135791153. The next prime is 11135791181. The reversal of 11135791157 is 75119753111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11135791157 - 2² = 11135791153 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 (11135791153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94371053 + ... + 94371170.

It is an arithmetic number, because the mean of its divisors is an integer number (2831133360).

Almost surely, 2^11135791157 is an apocalyptic number.

It is an amenable number.

11135791157 is a deficient number, since it is larger than the sum of its proper divisors (188742283).

11135791157 is an equidigital number, since it uses as much as digits as its factorization.

11135791157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188742282.

The product of its digits is 33075, while the sum is 41.

The spelling of 11135791157 in words is "eleven billion, one hundred thirty-five million, seven hundred ninety-one thousand, one hundred fifty-seven".