11259257827 has 4 divisors (see below), whose sum is σ = 11748790800. Its totient is φ = 10769724856.

The previous prime is 11259257809. The next prime is 11259257833. The reversal of 11259257827 is 72875295211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72875295211 = 1021 ⋅71376391.

It is a cyclic number.

It is not a de Polignac number, because 11259257827 - 2¹¹ = 11259255779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11259257837) 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, 244766452 + ... + 244766497.

It is an arithmetic number, because the mean of its divisors is an integer number (2937197700).

Almost surely, 2^11259257827 is an apocalyptic number.

11259257827 is a deficient number, since it is larger than the sum of its proper divisors (489532973).

11259257827 is an equidigital number, since it uses as much as digits as its factorization.

11259257827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489532972.

The product of its digits is 705600, while the sum is 49.

The spelling of 11259257827 in words is "eleven billion, two hundred fifty-nine million, two hundred fifty-seven thousand, eight hundred twenty-seven".