11639652442 has 16 divisors (see below), whose sum is σ = 19511259264. Its totient is φ = 5161708000.

The previous prime is 11639652421. The next prime is 11639652461. The reversal of 11639652442 is 24425693611.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6451234 + ... + 6453037.

It is an arithmetic number, because the mean of its divisors is an integer number (1219453704).

Almost surely, 2^11639652442 is an apocalyptic number.

11639652442 is a deficient number, since it is larger than the sum of its proper divisors (7871606822).

11639652442 is a wasteful number, since it uses less digits than its factorization.

11639652442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12904325.

The product of its digits is 311040, while the sum is 43.

The spelling of 11639652442 in words is "eleven billion, six hundred thirty-nine million, six hundred fifty-two thousand, four hundred forty-two".