11796661799 has 4 divisors (see below), whose sum is σ = 12704097336. Its totient is φ = 10889226264.

The previous prime is 11796661769. The next prime is 11796661817. The reversal of 11796661799 is 99716669711.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99716669711 = 137 ⋅727858903.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11796661799 is a prime.

It is a super-2 number, since 2×11796661799² (a number of 21 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 (11796661769) 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, 453717749 + ... + 453717774.

It is an arithmetic number, because the mean of its divisors is an integer number (3176024334).

Almost surely, 2^11796661799 is an apocalyptic number.

11796661799 is a deficient number, since it is larger than the sum of its proper divisors (907435537).

11796661799 is an equidigital number, since it uses as much as digits as its factorization.

11796661799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 907435536.

The product of its digits is 7715736, while the sum is 62.

The spelling of 11796661799 in words is "eleven billion, seven hundred ninety-six million, six hundred sixty-one thousand, seven hundred ninety-nine".