10001111111000 has 64 divisors (see below), whose sum is σ = 24634315836000. Its totient is φ = 3789894729600.

The previous prime is 10001111110993. The next prime is 10001111111077. The reversal of 10001111111000 is 11111110001.

It is a Harshad number since it is a multiple of its sum of digits (8).

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, 263168135 + ... + 263206134.

Almost surely, 2^{10001111111000} is an apocalyptic number.

10001111111000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10001111111000 is an abundant number, since it is smaller than the sum of its proper divisors (14633204725000).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10001111111000 is a wasteful number, since it uses less digits than its factorization.

10001111111000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 526374309 (or 526374295 counting only the distinct ones).

The product of its (nonzero) digits is 1, while the sum is 8.

Adding to 10001111111000 its reverse (11111110001), we get a palindrome (10012222221001).

Subtracting from 10001111111000 its reverse (11111110001), we obtain a palindrome (9990000000999).

The spelling of 10001111111000 in words is "ten trillion, one billion, one hundred eleven million, one hundred eleven thousand".