7890111000011 has 4 divisors (see below), whose sum is σ = 7895204682000. Its totient is φ = 7885017318024.

The previous prime is 7890110999989. The next prime is 7890111000053. The reversal of 7890111000011 is 1100001110987.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7890111000011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7890111000071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2546838671 + ... + 2546841768.

It is an arithmetic number, because the mean of its divisors is an integer number (1973801170500).

Almost surely, 2^{7890111000011} is an apocalyptic number.

7890111000011 is a deficient number, since it is larger than the sum of its proper divisors (5093681989).

7890111000011 is a wasteful number, since it uses less digits than its factorization.

7890111000011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5093681988.

The product of its (nonzero) digits is 504, while the sum is 29.

Adding to 7890111000011 its reverse (1100001110987), we get a palindrome (8990112110998).

The spelling of 7890111000011 in words is "seven trillion, eight hundred ninety billion, one hundred eleven million, eleven", and thus it is an aban number.