11157646669 has 16 divisors (see below), whose sum is σ = 12757506048. Its totient is φ = 9667037952.

The previous prime is 11157646667. The next prime is 11157646691. The reversal of 11157646669 is 96664675111.

It is not a de Polignac number, because 11157646669 - 2¹ = 11157646667 is a prime.

It is a super-2 number, since 2×11157646669² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11157646667) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12324 + ... + 149890.

It is an arithmetic number, because the mean of its divisors is an integer number (797344128).

Almost surely, 2^11157646669 is an apocalyptic number.

It is an amenable number.

11157646669 is a deficient number, since it is larger than the sum of its proper divisors (1599859379).

11157646669 is a wasteful number, since it uses less digits than its factorization.

11157646669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137964.

The product of its digits is 1632960, while the sum is 52.

The spelling of 11157646669 in words is "eleven billion, one hundred fifty-seven million, six hundred forty-six thousand, six hundred sixty-nine".