11677579999 has 4 divisors (see below), whose sum is σ = 12054276160. Its totient is φ = 11300883840.

The previous prime is 11677579981. The next prime is 11677580009. The reversal of 11677579999 is 99997577611.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 11677579999 - 2¹⁷ = 11677448927 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 (11677579099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 188348034 + ... + 188348095.

It is an arithmetic number, because the mean of its divisors is an integer number (3013569040).

Almost surely, 2^11677579999 is an apocalyptic number.

11677579999 is a deficient number, since it is larger than the sum of its proper divisors (376696161).

11677579999 is an equidigital number, since it uses as much as digits as its factorization.

11677579999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376696160.

The product of its digits is 67512690, while the sum is 70.

The spelling of 11677579999 in words is "eleven billion, six hundred seventy-seven million, five hundred seventy-nine thousand, nine hundred ninety-nine".