11100041001 has 36 divisors (see below), whose sum is σ = 18662671872. Its totient is φ = 6338942064.

The previous prime is 11100040999. The next prime is 11100041011. The reversal of 11100041001 is 10014000111.

It is not a de Polignac number, because 11100041001 - 2¹ = 11100040999 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 (11100041011) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 797040 + ... + 810846.

It is an arithmetic number, because the mean of its divisors is an integer number (518407552).

Almost surely, 2^11100041001 is an apocalyptic number.

It is an amenable number.

11100041001 is a deficient number, since it is larger than the sum of its proper divisors (7562630871).

11100041001 is a wasteful number, since it uses less digits than its factorization.

11100041001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15650 (or 15640 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 11100041001 its reverse (10014000111), we get a palindrome (21114041112).

The spelling of 11100041001 in words is "eleven billion, one hundred million, forty-one thousand, one".