11371371985 has 8 divisors (see below), whose sum is σ = 13648070016. Its totient is φ = 9095481840.

The previous prime is 11371371953. The next prime is 11371372003. The reversal of 11371371985 is 58917317311.

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

It is not a de Polignac number, because 11371371985 - 2⁵ = 11371371953 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 170559 + ... + 227668.

It is an arithmetic number, because the mean of its divisors is an integer number (1706008752).

Almost surely, 2^11371371985 is an apocalyptic number.

It is an amenable number.

11371371985 is a deficient number, since it is larger than the sum of its proper divisors (2276698031).

11371371985 is an equidigital number, since it uses as much as digits as its factorization.

11371371985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403943.

The product of its digits is 158760, while the sum is 46.

The spelling of 11371371985 in words is "eleven billion, three hundred seventy-one million, three hundred seventy-one thousand, nine hundred eighty-five".