11700111559 has 4 divisors (see below), whose sum is σ = 11809458504. Its totient is φ = 11590764616.

The previous prime is 11700111497. The next prime is 11700111583. The reversal of 11700111559 is 95511100711.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 95511100711 = 13 ⋅7347007747.

It is a cyclic number.

It is not a de Polignac number, because 11700111559 - 2¹³ = 11700103367 is a prime.

It is a super-2 number, since 2×11700111559² (a number of 21 digits) contains 22 as substring.

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 11700111559.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11700111259) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54673312 + ... + 54673525.

It is an arithmetic number, because the mean of its divisors is an integer number (2952364626).

Almost surely, 2^11700111559 is an apocalyptic number.

11700111559 is a deficient number, since it is larger than the sum of its proper divisors (109346945).

11700111559 is a wasteful number, since it uses less digits than its factorization.

11700111559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109346944.

The product of its (nonzero) digits is 1575, while the sum is 31.

The spelling of 11700111559 in words is "eleven billion, seven hundred million, one hundred eleven thousand, five hundred fifty-nine".