11351985 has 8 divisors (see below), whose sum is σ = 18163200. Its totient is φ = 6054384.

The previous prime is 11351981. The next prime is 11351999. The reversal of 11351985 is 58915311.

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

It is not a de Polignac number, because 11351985 - 2² = 11351981 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11351981) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 378385 + ... + 378414.

It is an arithmetic number, because the mean of its divisors is an integer number (2270400).

Almost surely, 2^11351985 is an apocalyptic number.

11351985 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11351985 is a deficient number, since it is larger than the sum of its proper divisors (6811215).

11351985 is an equidigital number, since it uses as much as digits as its factorization.

11351985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 756807.

The product of its digits is 5400, while the sum is 33.

The square root of 11351985 is about 3369.2706925980. The cubic root of 11351985 is about 224.7452920172.

The spelling of 11351985 in words is "eleven million, three hundred fifty-one thousand, nine hundred eighty-five".