11653376443 has 12 divisors (see below), whose sum is σ = 12602162160. Its totient is φ = 10762324496.

The previous prime is 11653376407. The next prime is 11653376453. The reversal of 11653376443 is 34467335611.

It is a de Polignac number, because none of the positive numbers 2^k-11653376443 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11653376443.

It is not an unprimeable number, because it can be changed into a prime (11653376453) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 364471 + ... + 395152.

It is an arithmetic number, because the mean of its divisors is an integer number (1050180180).

Almost surely, 2^11653376443 is an apocalyptic number.

11653376443 is a deficient number, since it is larger than the sum of its proper divisors (948785717).

11653376443 is an equidigital number, since it uses as much as digits as its factorization.

11653376443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 759698 (or 759675 counting only the distinct ones).

The product of its digits is 544320, while the sum is 43.

The spelling of 11653376443 in words is "eleven billion, six hundred fifty-three million, three hundred seventy-six thousand, four hundred forty-three".