10111110011091 has 72 divisors (see below), whose sum is σ = 15916197233664. Its totient is φ = 6163865164800.

The previous prime is 10111110011087. The next prime is 10111110011131. The reversal of 10111110011091 is 19011001111101.

10111110011091 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10111110011091 - 2² = 10111110011087 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10111110011021) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 146794926 + ... + 146863788.

It is an arithmetic number, because the mean of its divisors is an integer number (221058294912).

Almost surely, 2^{10111110011091} is an apocalyptic number.

10111110011091 is a deficient number, since it is larger than the sum of its proper divisors (5805087222573).

10111110011091 is a wasteful number, since it uses less digits than its factorization.

10111110011091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69661 (or 69621 counting only the distinct ones).

The product of its (nonzero) digits is 9, while the sum is 18.

Adding to 10111110011091 its reverse (19011001111101), we get a palindrome (29122111122192).

The spelling of 10111110011091 in words is "ten trillion, one hundred eleven billion, one hundred ten million, eleven thousand, ninety-one".