11643512342 has 16 divisors (see below), whose sum is σ = 21774880512. Its totient is φ = 4536433320.

The previous prime is 11643512297. The next prime is 11643512359. The reversal of 11643512342 is 24321534611.

It is a junction number, because it is equal to n+sod(n) for n = 11643512299 and 11643512308.

It is a congruent number.

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, 37803458 + ... + 37803765.

It is an arithmetic number, because the mean of its divisors is an integer number (1360930032).

Almost surely, 2^11643512342 is an apocalyptic number.

11643512342 is a deficient number, since it is larger than the sum of its proper divisors (10131368170).

11643512342 is a wasteful number, since it uses less digits than its factorization.

11643512342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75607243.

The product of its digits is 17280, while the sum is 32.

The spelling of 11643512342 in words is "eleven billion, six hundred forty-three million, five hundred twelve thousand, three hundred forty-two".