11428251827 has 12 divisors (see below), whose sum is σ = 11790502416. Its totient is φ = 11076752160.

The previous prime is 11428251811. The next prime is 11428251839. The reversal of 11428251827 is 72815282411.

It is not a de Polignac number, because 11428251827 - 2⁴ = 11428251811 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 (11428241827) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 344177 + ... + 375917.

It is an arithmetic number, because the mean of its divisors is an integer number (982541868).

Almost surely, 2^11428251827 is an apocalyptic number.

11428251827 is a deficient number, since it is larger than the sum of its proper divisors (362250589).

11428251827 is an equidigital number, since it uses as much as digits as its factorization.

11428251827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32078 (or 32041 counting only the distinct ones).

The product of its digits is 71680, while the sum is 41.

The spelling of 11428251827 in words is "eleven billion, four hundred twenty-eight million, two hundred fifty-one thousand, eight hundred twenty-seven".