11113100001 has 12 divisors (see below), whose sum is σ = 16065461412. Its totient is φ = 7402638336.

The previous prime is 11113099999. The next prime is 11113100027. The reversal of 11113100001 is 10000131111.

It can be written as a sum of positive squares in 2 ways, for example, as 4234885776 + 6878214225 = 65076^2 + 82935^2 .

It is not a de Polignac number, because 11113100001 - 2¹ = 11113099999 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (11113100081) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 496356 + ... + 518261.

It is an arithmetic number, because the mean of its divisors is an integer number (1338788451).

Almost surely, 2^11113100001 is an apocalyptic number.

It is an amenable number.

11113100001 is a deficient number, since it is larger than the sum of its proper divisors (4952361411).

11113100001 is a wasteful number, since it uses less digits than its factorization.

11113100001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1015840 (or 1015837 counting only the distinct ones).

The product of its (nonzero) digits is 3, while the sum is 9.

Adding to 11113100001 its reverse (10000131111), we get a palindrome (21113231112).

The spelling of 11113100001 in words is "eleven billion, one hundred thirteen million, one hundred thousand, one".