11342642643 has 12 divisors (see below), whose sum is σ = 16427051160. Its totient is φ = 7541807616.

The previous prime is 11342642611. The next prime is 11342642653. The reversal of 11342642643 is 34624624311.

11342642643 is a `hidden beast` number, since 1 + 1 + 3 + 4 + 2 + 6 + 4 + 2 + 643 = 666.

It is not a de Polignac number, because 11342642643 - 2⁵ = 11342642611 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11342642598 and 11342642607.

It is not an unprimeable number, because it can be changed into a prime (11342642653) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1659246 + ... + 1666067.

It is an arithmetic number, because the mean of its divisors is an integer number (1368920930).

Almost surely, 2^11342642643 is an apocalyptic number.

11342642643 is a deficient number, since it is larger than the sum of its proper divisors (5084408517).

11342642643 is a wasteful number, since it uses less digits than its factorization.

11342642643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3325698 (or 3325695 counting only the distinct ones).

The product of its digits is 82944, while the sum is 36.

The spelling of 11342642643 in words is "eleven billion, three hundred forty-two million, six hundred forty-two thousand, six hundred forty-three".