11400311279 has 8 divisors (see below), whose sum is σ = 13106946048. Its totient is φ = 9713181240.

The previous prime is 11400311257. The next prime is 11400311297. The reversal of 11400311279 is 97211300411.

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

It is a de Polignac number, because none of the positive numbers 2^k-11400311279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11400311779) 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, 4874927 + ... + 4877264.

It is an arithmetic number, because the mean of its divisors is an integer number (1638368256).

Almost surely, 2^11400311279 is an apocalyptic number.

11400311279 is a deficient number, since it is larger than the sum of its proper divisors (1706634769).

11400311279 is an equidigital number, since it uses as much as digits as its factorization.

11400311279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9752365.

The product of its (nonzero) digits is 1512, while the sum is 29.

The spelling of 11400311279 in words is "eleven billion, four hundred million, three hundred eleven thousand, two hundred seventy-nine".