11808651583 has 8 divisors (see below), whose sum is σ = 12010842000. Its totient is φ = 11606529408.

The previous prime is 11808651527. The next prime is 11808651587. The reversal of 11808651583 is 38515680811.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11808651583 - 2²⁵ = 11775097151 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11808651587) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 432135 + ... + 458647.

It is an arithmetic number, because the mean of its divisors is an integer number (1501355250).

Almost surely, 2^11808651583 is an apocalyptic number.

11808651583 is a deficient number, since it is larger than the sum of its proper divisors (202190417).

11808651583 is an equidigital number, since it uses as much as digits as its factorization.

11808651583 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34121.

The product of its (nonzero) digits is 230400, while the sum is 46.

The spelling of 11808651583 in words is "eleven billion, eight hundred eight million, six hundred fifty-one thousand, five hundred eighty-three".