11975734443 has 16 divisors (see below), whose sum is σ = 16023720960. Its totient is φ = 7955821056.

The previous prime is 11975734429. The next prime is 11975734481. The reversal of 11975734443 is 34443757911.

It is not a de Polignac number, because 11975734443 - 2⁸ = 11975734187 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11975734392 and 11975734401.

It is not an unprimeable number, because it can be changed into a prime (11975734423) 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 15 ways as a sum of consecutive naturals, for example, 1712971 + ... + 1719947.

It is an arithmetic number, because the mean of its divisors is an integer number (1001482560).

Almost surely, 2^11975734443 is an apocalyptic number.

11975734443 is a deficient number, since it is larger than the sum of its proper divisors (4047986517).

11975734443 is a wasteful number, since it uses less digits than its factorization.

11975734443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8906.

The product of its digits is 1270080, while the sum is 48.

The spelling of 11975734443 in words is "eleven billion, nine hundred seventy-five million, seven hundred thirty-four thousand, four hundred forty-three".