11701224549 has 24 divisors (see below), whose sum is σ = 20165377920. Its totient is φ = 6686413272.

The previous prime is 11701224527. The next prime is 11701224569. The reversal of 11701224549 is 94542210711.

11701224549 is a `hidden beast` number, since 11 + 70 + 12 + 24 + 549 = 666.

It is not a de Polignac number, because 11701224549 - 2⁵ = 11701224517 is a prime.

It is a super-2 number, since 2×11701224549² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11701224569) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4420909 + ... + 4423554.

It is an arithmetic number, because the mean of its divisors is an integer number (840224080).

Almost surely, 2^11701224549 is an apocalyptic number.

It is an amenable number.

11701224549 is a deficient number, since it is larger than the sum of its proper divisors (8464153371).

11701224549 is an equidigital number, since it uses as much as digits as its factorization.

11701224549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8844486 (or 8844473 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The spelling of 11701224549 in words is "eleven billion, seven hundred one million, two hundred twenty-four thousand, five hundred forty-nine".