11111010100011 has 16 divisors (see below), whose sum is σ = 16810984550400. Its totient is φ = 7249737085704.

The previous prime is 11111010100009. The next prime is 11111010100039. The reversal of 11111010100011 is 11000101011111.

It is not a de Polignac number, because 11111010100011 - 2¹ = 11111010100009 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 11111010099966 and 11111010100002.

It is not an unprimeable number, because it can be changed into a prime (11111010100711) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4377859291 + ... + 4377861828.

It is an arithmetic number, because the mean of its divisors is an integer number (1050686534400).

Almost surely, 2^{11111010100011} is an apocalyptic number.

11111010100011 is a deficient number, since it is larger than the sum of its proper divisors (5699974450389).

11111010100011 is an equidigital number, since it uses as much as digits as its factorization.

11111010100011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8755721175 (or 8755721169 counting only the distinct ones).

The product of its (nonzero) digits is 1, while the sum is 9.

Adding to 11111010100011 its reverse (11000101011111), we get a palindrome (22111111111122).

The spelling of 11111010100011 in words is "eleven trillion, one hundred eleven billion, ten million, one hundred thousand, eleven".