11944763911 has 8 divisors (see below), whose sum is σ = 12238147584. Its totient is φ = 11653015320.

The previous prime is 11944763899. The next prime is 11944763917. The reversal of 11944763911 is 11936744911.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11944763911 - 2⁵ = 11944763879 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11944763917) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 393975 + ... + 423208.

It is an arithmetic number, because the mean of its divisors is an integer number (1529768448).

Almost surely, 2^11944763911 is an apocalyptic number.

11944763911 is a deficient number, since it is larger than the sum of its proper divisors (293383673).

11944763911 is an equidigital number, since it uses as much as digits as its factorization.

11944763911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 817541.

The product of its digits is 163296, while the sum is 46.

The spelling of 11944763911 in words is "eleven billion, nine hundred forty-four million, seven hundred sixty-three thousand, nine hundred eleven".