11117157211 has 8 divisors (see below), whose sum is σ = 11276176320. Its totient is φ = 10958595648.

The previous prime is 11117157143. The next prime is 11117157251. The reversal of 11117157211 is 11275171111.

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

It is a cyclic number.

It is not a de Polignac number, because 11117157211 - 2⁷ = 11117157083 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11117157211.

It is not an unprimeable number, because it can be changed into a prime (11117157251) 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, 65296 + ... + 162781.

It is an arithmetic number, because the mean of its divisors is an integer number (1409522040).

Almost surely, 2^11117157211 is an apocalyptic number.

11117157211 is a deficient number, since it is larger than the sum of its proper divisors (159019109).

11117157211 is an equidigital number, since it uses as much as digits as its factorization.

11117157211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228773.

The product of its digits is 490, while the sum is 28.

The spelling of 11117157211 in words is "eleven billion, one hundred seventeen million, one hundred fifty-seven thousand, two hundred eleven".