11851982267 has 12 divisors (see below), whose sum is σ = 11997360144. Its totient is φ = 11708306640.

The previous prime is 11851982239. The next prime is 11851982291. The reversal of 11851982267 is 76228915811.

It is not a de Polignac number, because 11851982267 - 2¹⁴ = 11851965883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11851982227) 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, 5335217 + ... + 5337437.

It is an arithmetic number, because the mean of its divisors is an integer number (999780012).

Almost surely, 2^11851982267 is an apocalyptic number.

11851982267 is a deficient number, since it is larger than the sum of its proper divisors (145377877).

11851982267 is an equidigital number, since it uses as much as digits as its factorization.

11851982267 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2930 (or 2827 counting only the distinct ones).

The product of its digits is 483840, while the sum is 50.

The spelling of 11851982267 in words is "eleven billion, eight hundred fifty-one million, nine hundred eighty-two thousand, two hundred sixty-seven".