11551641982 has 8 divisors (see below), whose sum is σ = 17452121400. Its totient is φ = 5734268184.

The previous prime is 11551641971. The next prime is 11551642013. The reversal of 11551641982 is 28914615511.

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, 20776057 + ... + 20776612.

It is an arithmetic number, because the mean of its divisors is an integer number (2181515175).

Almost surely, 2^11551641982 is an apocalyptic number.

11551641982 is a deficient number, since it is larger than the sum of its proper divisors (5900479418).

11551641982 is a wasteful number, since it uses less digits than its factorization.

11551641982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41552810.

The product of its digits is 86400, while the sum is 43.

The spelling of 11551641982 in words is "eleven billion, five hundred fifty-one million, six hundred forty-one thousand, nine hundred eighty-two".