11126756993 has 4 divisors (see below), whose sum is σ = 12138280368. Its totient is φ = 10115233620.

The previous prime is 11126756947. The next prime is 11126757007. The reversal of 11126756993 is 39965762111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11126756993 - 2¹⁴ = 11126740609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11126756903) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 505761671 + ... + 505761692.

It is an arithmetic number, because the mean of its divisors is an integer number (3034570092).

Almost surely, 2^11126756993 is an apocalyptic number.

It is an amenable number.

11126756993 is a deficient number, since it is larger than the sum of its proper divisors (1011523375).

11126756993 is a wasteful number, since it uses less digits than its factorization.

11126756993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1011523374.

The product of its digits is 612360, while the sum is 50.

The spelling of 11126756993 in words is "eleven billion, one hundred twenty-six million, seven hundred fifty-six thousand, nine hundred ninety-three".