11156088969 has 6 divisors (see below), whose sum is σ = 16114350746. Its totient is φ = 7437392640.

The previous prime is 11156088961. The next prime is 11156089037. The reversal of 11156088969 is 96988065111.

11156088969 is a `hidden beast` number, since 1 + 11 + 560 + 8 + 8 + 9 + 69 = 666.

It can be written as a sum of positive squares in only one way, i.e., 10749542400 + 406546569 = 103680^2 + 20163^2 .

It is not a de Polignac number, because 11156088969 - 2³ = 11156088961 is a prime.

It is a super-2 number, since 2×11156088969² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11156088961) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 619782712 + ... + 619782729.

Almost surely, 2^11156088969 is an apocalyptic number.

It is an amenable number.

11156088969 is a deficient number, since it is larger than the sum of its proper divisors (4958261777).

11156088969 is a wasteful number, since it uses less digits than its factorization.

11156088969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1239565447 (or 1239565444 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 54.

The spelling of 11156088969 in words is "eleven billion, one hundred fifty-six million, eighty-eight thousand, nine hundred sixty-nine".