11604631384251 has 6 divisors (see below), whose sum is σ = 16762245332820. Its totient is φ = 7736420922828.

The previous prime is 11604631384193. The next prime is 11604631384259. The reversal of 11604631384251 is 15248313640611.

It is a happy number.

11604631384251 is a `hidden beast` number, since 1 + 1 + 6 + 0 + 4 + 6 + 313 + 84 + 251 = 666.

It is not a de Polignac number, because 11604631384251 - 2⁷ = 11604631384123 is a prime.

It is a super-3 number, since 3×11604631384251³ (a number of 40 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11604631384197 and 11604631384206.

It is not an unprimeable number, because it can be changed into a prime (11604631384259) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 644701743561 + ... + 644701743578.

It is an arithmetic number, because the mean of its divisors is an integer number (2793707555470).

Almost surely, 2^{11604631384251} is an apocalyptic number.

11604631384251 is a deficient number, since it is larger than the sum of its proper divisors (5157613948569).

11604631384251 is a wasteful number, since it uses less digits than its factorization.

11604631384251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1289403487145 (or 1289403487142 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 45.

The spelling of 11604631384251 in words is "eleven trillion, six hundred four billion, six hundred thirty-one million, three hundred eighty-four thousand, two hundred fifty-one".