11263812779493 has 24 divisors (see below), whose sum is σ = 16292775826496. Its totient is φ = 7498679328000.

The previous prime is 11263812779383. The next prime is 11263812779521. The reversal of 11263812779493 is 39497721836211.

11263812779493 is a `hidden beast` number, since 1 + 1 + 2 + 63 + 8 + 12 + 7 + 79 + 493 = 666.

It is not a de Polignac number, because 11263812779493 - 2²² = 11263808585189 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 11263812779493.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11263812771493) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27230568 + ... + 27641118.

Almost surely, 2^{11263812779493} is an apocalyptic number.

It is an amenable number.

11263812779493 is a deficient number, since it is larger than the sum of its proper divisors (5028963047003).

11263812779493 is a wasteful number, since it uses less digits than its factorization.

11263812779493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414825 (or 414822 counting only the distinct ones).

The product of its digits is 27433728, while the sum is 63.

The spelling of 11263812779493 in words is "eleven trillion, two hundred sixty-three billion, eight hundred twelve million, seven hundred seventy-nine thousand, four hundred ninety-three".