11735630643 has 32 divisors (see below), whose sum is σ = 17577556992. Its totient is φ = 6961062240.

The previous prime is 11735630617. The next prime is 11735630657. The reversal of 11735630643 is 34603653711.

It is not a de Polignac number, because 11735630643 - 2⁹ = 11735630131 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (11735630603) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 156405 + ... + 218937.

It is an arithmetic number, because the mean of its divisors is an integer number (549298656).

Almost surely, 2^11735630643 is an apocalyptic number.

11735630643 is a deficient number, since it is larger than the sum of its proper divisors (5841926349).

11735630643 is an equidigital number, since it uses as much as digits as its factorization.

11735630643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62616 (or 62594 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 39.

The spelling of 11735630643 in words is "eleven billion, seven hundred thirty-five million, six hundred thirty thousand, six hundred forty-three".