11680837633 has 4 divisors (see below), whose sum is σ = 11706066688. Its totient is φ = 11655608580.

The previous prime is 11680837631. The next prime is 11680837709. The reversal of 11680837633 is 33673808611.

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 11680837633 - 2¹ = 11680837631 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11680837631) 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, 12613833 + ... + 12614758.

It is an arithmetic number, because the mean of its divisors is an integer number (2926516672).

Almost surely, 2^11680837633 is an apocalyptic number.

It is an amenable number.

11680837633 is a deficient number, since it is larger than the sum of its proper divisors (25229055).

11680837633 is an equidigital number, since it uses as much as digits as its factorization.

11680837633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25229054.

The product of its (nonzero) digits is 435456, while the sum is 46.

The spelling of 11680837633 in words is "eleven billion, six hundred eighty million, eight hundred thirty-seven thousand, six hundred thirty-three".