11781748006 has 8 divisors (see below), whose sum is σ = 20197282320. Its totient is φ = 5049320568.

The previous prime is 11781747941. The next prime is 11781748021. The reversal of 11781748006 is 60084718711.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 420776701 + ... + 420776728.

It is an arithmetic number, because the mean of its divisors is an integer number (2524660290).

Almost surely, 2^11781748006 is an apocalyptic number.

11781748006 is a deficient number, since it is larger than the sum of its proper divisors (8415534314).

11781748006 is an equidigital number, since it uses as much as digits as its factorization.

11781748006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 841553438.

The product of its (nonzero) digits is 75264, while the sum is 43.

The spelling of 11781748006 in words is "eleven billion, seven hundred eighty-one million, seven hundred forty-eight thousand, six".