11255699827 has 4 divisors (see below), whose sum is σ = 11398177120. Its totient is φ = 11113222536.

The previous prime is 11255699797. The next prime is 11255699831. The reversal of 11255699827 is 72899655211.

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

It is a cyclic number.

It is not a de Polignac number, because 11255699827 - 2⁷ = 11255699699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11255699857) 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, 71238528 + ... + 71238685.

It is an arithmetic number, because the mean of its divisors is an integer number (2849544280).

Almost surely, 2^11255699827 is an apocalyptic number.

11255699827 is a deficient number, since it is larger than the sum of its proper divisors (142477293).

11255699827 is an equidigital number, since it uses as much as digits as its factorization.

11255699827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142477292.

The product of its digits is 2721600, while the sum is 55.

The spelling of 11255699827 in words is "eleven billion, two hundred fifty-five million, six hundred ninety-nine thousand, eight hundred twenty-seven".