11803401085 has 16 divisors (see below), whose sum is σ = 16189414272. Its totient is φ = 8092814400.

The previous prime is 11803401067. The next prime is 11803401091. The reversal of 11803401085 is 58010430811.

It is not a de Polignac number, because 11803401085 - 2⁷ = 11803400957 is a prime.

It is a super-3 number, since 3×11803401085³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 425490 + ... + 452380.

It is an arithmetic number, because the mean of its divisors is an integer number (1011838392).

Almost surely, 2^11803401085 is an apocalyptic number.

It is an amenable number.

11803401085 is a deficient number, since it is larger than the sum of its proper divisors (4386013187).

11803401085 is a wasteful number, since it uses less digits than its factorization.

11803401085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39444.

The product of its (nonzero) digits is 3840, while the sum is 31.

Adding to 11803401085 its reverse (58010430811), we get a palindrome (69813831896).

The spelling of 11803401085 in words is "eleven billion, eight hundred three million, four hundred one thousand, eighty-five".