11639133396 has 144 divisors (see below), whose sum is σ = 33215809536. Its totient is φ = 3404520000.

The previous prime is 11639133379. The next prime is 11639133413. The reversal of 11639133396 is 69333193611.

11639133396 is a `hidden beast` number, since 1 + 1 + 639 + 1 + 3 + 3 + 3 + 9 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (11639133379) and next prime (11639133413).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6026551 + ... + 6028481.

It is an arithmetic number, because the mean of its divisors is an integer number (230665344).

Almost surely, 2^11639133396 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11639133396, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16607904768).

11639133396 is an abundant number, since it is smaller than the sum of its proper divisors (21576676140).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11639133396 is a wasteful number, since it uses less digits than its factorization.

11639133396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2474 (or 2469 counting only the distinct ones).

The product of its digits is 236196, while the sum is 45.

The spelling of 11639133396 in words is "eleven billion, six hundred thirty-nine million, one hundred thirty-three thousand, three hundred ninety-six".