11845861239 has 16 divisors (see below), whose sum is σ = 17603758080. Its totient is φ = 7041502080.

The previous prime is 11845861229. The next prime is 11845861243. The reversal of 11845861239 is 93216854811.

It is a happy number.

It is not a de Polignac number, because 11845861239 - 2⁹ = 11845860727 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11845861219) 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 15 ways as a sum of consecutive naturals, for example, 6111447 + ... + 6113384.

It is an arithmetic number, because the mean of its divisors is an integer number (1100234880).

Almost surely, 2^11845861239 is an apocalyptic number.

11845861239 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

11845861239 is a deficient number, since it is larger than the sum of its proper divisors (5757896841).

11845861239 is a wasteful number, since it uses less digits than its factorization.

11845861239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12224870.

The product of its digits is 414720, while the sum is 48.

The spelling of 11845861239 in words is "eleven billion, eight hundred forty-five million, eight hundred sixty-one thousand, two hundred thirty-nine".