11644825383 has 32 divisors (see below), whose sum is σ = 17507508480. Its totient is φ = 7648572960.

The previous prime is 11644825369. The next prime is 11644825403. The reversal of 11644825383 is 38352844611.

11644825383 is a `hidden beast` number, since 1 + 164 + 482 + 5 + 3 + 8 + 3 = 666.

It is not a de Polignac number, because 11644825383 - 2⁵ = 11644825351 is a prime.

It is a super-2 number, since 2×11644825383² (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 (11644825183) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 828928 + ... + 842858.

It is an arithmetic number, because the mean of its divisors is an integer number (547109640).

Almost surely, 2^11644825383 is an apocalyptic number.

11644825383 is a deficient number, since it is larger than the sum of its proper divisors (5862683097).

11644825383 is a wasteful number, since it uses less digits than its factorization.

11644825383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14396 (or 14390 counting only the distinct ones).

The product of its digits is 552960, while the sum is 45.

The spelling of 11644825383 in words is "eleven billion, six hundred forty-four million, eight hundred twenty-five thousand, three hundred eighty-three".