11100401043 has 32 divisors (see below), whose sum is σ = 15760527360. Its totient is φ = 6937073280.

The previous prime is 11100401033. The next prime is 11100401047. The reversal of 11100401043 is 34010400111.

11100401043 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 11100401043 - 2¹⁶ = 11100335507 is a prime.

It is a super-3 number, since 3×11100401043³ (a number of 31 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (11100401047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 780946 + ... + 795032.

It is an arithmetic number, because the mean of its divisors is an integer number (492516480).

Almost surely, 2^11100401043 is an apocalyptic number.

11100401043 is a deficient number, since it is larger than the sum of its proper divisors (4660126317).

11100401043 is a wasteful number, since it uses less digits than its factorization.

11100401043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14387.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 11100401043 its reverse (34010400111), we get a palindrome (45110801154).

The spelling of 11100401043 in words is "eleven billion, one hundred million, four hundred one thousand, forty-three".