10111209985 has 8 divisors (see below), whose sum is σ = 12142658880. Its totient is φ = 8082830064.

The previous prime is 10111209967. The next prime is 10111210009. The reversal of 10111209985 is 58990211101.

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

It is a cyclic number.

It is not a de Polignac number, because 10111209985 - 2²¹ = 10109112833 is a prime.

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, 759987 + ... + 773176.

It is an arithmetic number, because the mean of its divisors is an integer number (1517832360).

Almost surely, 2^10111209985 is an apocalyptic number.

It is an amenable number.

10111209985 is a deficient number, since it is larger than the sum of its proper divisors (2031448895).

10111209985 is a wasteful number, since it uses less digits than its factorization.

10111209985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1534487.

The product of its (nonzero) digits is 6480, while the sum is 37.

The spelling of 10111209985 in words is "ten billion, one hundred eleven million, two hundred nine thousand, nine hundred eighty-five".