11842439487 has 8 divisors (see below), whose sum is σ = 16299271680. Its totient is φ = 7640283480.

The previous prime is 11842439471. The next prime is 11842439503. The reversal of 11842439487 is 78493424811.

It is an interprime number because it is at equal distance from previous prime (11842439471) and next prime (11842439503).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11842439487 - 2⁴ = 11842439471 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11842431487) 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 7 ways as a sum of consecutive naturals, for example, 63668937 + ... + 63669122.

It is an arithmetic number, because the mean of its divisors is an integer number (2037408960).

Almost surely, 2^11842439487 is an apocalyptic number.

11842439487 is a deficient number, since it is larger than the sum of its proper divisors (4456832193).

11842439487 is a wasteful number, since it uses less digits than its factorization.

11842439487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127338093.

The product of its digits is 1548288, while the sum is 51.

The spelling of 11842439487 in words is "eleven billion, eight hundred forty-two million, four hundred thirty-nine thousand, four hundred eighty-seven".