10111210133805 has 64 divisors (see below), whose sum is σ = 19610132659200. Its totient is φ = 4902276663360.

The previous prime is 10111210133779. The next prime is 10111210133819. The reversal of 10111210133805 is 50833101211101.

10111210133805 is a `hidden beast` number, since 1 + 0 + 111 + 210 + 1 + 338 + 0 + 5 = 666.

It is not a de Polignac number, because 10111210133805 - 2¹⁰ = 10111210132781 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 82426006 + ... + 82548584.

It is an arithmetic number, because the mean of its divisors is an integer number (306408322800).

Almost surely, 2^{10111210133805} is an apocalyptic number.

10111210133805 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10111210133805 is a deficient number, since it is larger than the sum of its proper divisors (9498922525395).

10111210133805 is a wasteful number, since it uses less digits than its factorization.

10111210133805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178151 (or 178145 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 27.

Adding to 10111210133805 its reverse (50833101211101), we get a palindrome (60944311344906).

The spelling of 10111210133805 in words is "ten trillion, one hundred eleven billion, two hundred ten million, one hundred thirty-three thousand, eight hundred five".