11152169849 has 16 divisors (see below), whose sum is σ = 11605263120. Its totient is φ = 10703831040.

The previous prime is 11152169843. The next prime is 11152169851. The reversal of 11152169849 is 94896125111.

It can be written as a sum of positive squares in 8 ways, for example, as 716525824 + 10435644025 = 26768^2 + 102155^2 .

It is a cyclic number.

It is not a de Polignac number, because 11152169849 - 2¹² = 11152165753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11152169843) 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, 4567469 + ... + 4569909.

It is an arithmetic number, because the mean of its divisors is an integer number (725328945).

Almost surely, 2^11152169849 is an apocalyptic number.

It is an amenable number.

11152169849 is a deficient number, since it is larger than the sum of its proper divisors (453093271).

11152169849 is a wasteful number, since it uses less digits than its factorization.

11152169849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3340.

The product of its digits is 155520, while the sum is 47.

The spelling of 11152169849 in words is "eleven billion, one hundred fifty-two million, one hundred sixty-nine thousand, eight hundred forty-nine".