11861703974 has 4 divisors (see below), whose sum is σ = 17792555964. Its totient is φ = 5930851986.

The previous prime is 11861703967. The next prime is 11861703989. The reversal of 11861703974 is 47930716811.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2965425992 + ... + 2965425995.

It is an arithmetic number, because the mean of its divisors is an integer number (4448138991).

Almost surely, 2^11861703974 is an apocalyptic number.

11861703974 is a deficient number, since it is larger than the sum of its proper divisors (5930851990).

11861703974 is an equidigital number, since it uses as much as digits as its factorization.

11861703974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5930851989.

The product of its (nonzero) digits is 254016, while the sum is 47.

The spelling of 11861703974 in words is "eleven billion, eight hundred sixty-one million, seven hundred three thousand, nine hundred seventy-four".