11279934465731 has 16 divisors (see below), whose sum is σ = 11755407955200. Its totient is φ = 10810398176928.

The previous prime is 11279934465697. The next prime is 11279934465733. The reversal of 11279934465731 is 13756443997211.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11279934465731 is a prime.

It is a super-2 number, since 2×11279934465731² (a number of 27 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (62) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11279934465733) 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, 2204090 + ... + 5236208.

It is an arithmetic number, because the mean of its divisors is an integer number (734712997200).

Almost surely, 2^{11279934465731} is an apocalyptic number.

11279934465731 is a deficient number, since it is larger than the sum of its proper divisors (475473489469).

11279934465731 is a wasteful number, since it uses less digits than its factorization.

11279934465731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3033098.

The product of its digits is 34292160, while the sum is 62.

The spelling of 11279934465731 in words is "eleven trillion, two hundred seventy-nine billion, nine hundred thirty-four million, four hundred sixty-five thousand, seven hundred thirty-one".