11144791136669 has 4 divisors (see below), whose sum is σ = 11218597700640. Its totient is φ = 11070984572700.

The previous prime is 11144791136651. The next prime is 11144791136683. The reversal of 11144791136669 is 96663119744111.

It is a happy number.

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 a de Polignac number, because none of the positive numbers 2^k-11144791136669 is a prime.

It is a super-2 number, since 2×11144791136669² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11144791136629) 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, 36903281759 + ... + 36903282060.

It is an arithmetic number, because the mean of its divisors is an integer number (2804649425160).

Almost surely, 2^{11144791136669} is an apocalyptic number.

It is an amenable number.

11144791136669 is a deficient number, since it is larger than the sum of its proper divisors (73806563971).

11144791136669 is an equidigital number, since it uses as much as digits as its factorization.

11144791136669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73806563970.

The product of its digits is 5878656, while the sum is 59.

The spelling of 11144791136669 in words is "eleven trillion, one hundred forty-four billion, seven hundred ninety-one million, one hundred thirty-six thousand, six hundred sixty-nine".