11100434243103 has 20 divisors (see below), whose sum is σ = 16734259813480. Its totient is φ = 7332396925392.

The previous prime is 11100434243053. The next prime is 11100434243113. The reversal of 11100434243103 is 30134243400111.

11100434243103 is a `hidden beast` number, since 1 + 1 + 1 + 0 + 0 + 4 + 342 + 4 + 310 + 3 = 666.

It is not a de Polignac number, because 11100434243103 - 2⁸ = 11100434242847 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11100434243113) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 628626025 + ... + 628643682.

It is an arithmetic number, because the mean of its divisors is an integer number (836712990674).

Almost surely, 2^{11100434243103} is an apocalyptic number.

11100434243103 is a deficient number, since it is larger than the sum of its proper divisors (5633825570377).

11100434243103 is a wasteful number, since it uses less digits than its factorization.

11100434243103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1257269828 (or 1257269819 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 11100434243103 its reverse (30134243400111), we get a palindrome (41234677643214).

The spelling of 11100434243103 in words is "eleven trillion, one hundred billion, four hundred thirty-four million, two hundred forty-three thousand, one hundred three".