11249924859 has 18 divisors (see below), whose sum is σ = 16379238876. Its totient is φ = 7440288960.

The previous prime is 11249924857. The next prime is 11249924863. The reversal of 11249924859 is 95842994211.

11249924859 is a `hidden beast` number, since 112 + 49 + 9 + 2 + 485 + 9 = 666.

It is not a de Polignac number, because 11249924859 - 2¹ = 11249924857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11249924857) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 3640387 + ... + 3643475.

Almost surely, 2^11249924859 is an apocalyptic number.

11249924859 is a deficient number, since it is larger than the sum of its proper divisors (5129314017).

11249924859 is an frugal number, since it uses more digits than its factorization.

11249924859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6315 (or 3223 counting only the distinct ones).

The product of its digits is 1866240, while the sum is 54.

The spelling of 11249924859 in words is "eleven billion, two hundred forty-nine million, nine hundred twenty-four thousand, eight hundred fifty-nine".