11663675253 has 12 divisors (see below), whose sum is σ = 16853063968. Its totient is φ = 7773229800.

The previous prime is 11663675237. The next prime is 11663675273. The reversal of 11663675253 is 35257636611.

11663675253 is a `hidden beast` number, since 1 + 1 + 6 + 63 + 67 + 525 + 3 = 666.

It is not a de Polignac number, because 11663675253 - 2⁴ = 11663675237 is a prime.

It is a super-2 number, since 2×11663675253² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11663675199 and 11663675208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11663675273) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 183673 + ... + 238878.

Almost surely, 2^11663675253 is an apocalyptic number.

It is an amenable number.

11663675253 is a deficient number, since it is larger than the sum of its proper divisors (5189388715).

11663675253 is a wasteful number, since it uses less digits than its factorization.

11663675253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425624 (or 425621 counting only the distinct ones).

The product of its digits is 680400, while the sum is 45.

The spelling of 11663675253 in words is "eleven billion, six hundred sixty-three million, six hundred seventy-five thousand, two hundred fifty-three".