11154045111 has 12 divisors (see below), whose sum is σ = 16346975736. Its totient is φ = 6760027120.

The previous prime is 11154045107. The next prime is 11154045113.

11154045111 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 11154045111 - 2² = 11154045107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11154045113) 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, 15363336 + ... + 15364061.

It is an arithmetic number, because the mean of its divisors is an integer number (1362247978).

Almost surely, 2^11154045111 is an apocalyptic number.

11154045111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11154045111 is a deficient number, since it is larger than the sum of its proper divisors (5192930625).

11154045111 is a wasteful number, since it uses less digits than its factorization.

11154045111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30727422 (or 30727411 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 24.

It can be divided in two parts, 111540 and 45111, that added together give a palindrome (156651).

The spelling of 11154045111 in words is "eleven billion, one hundred fifty-four million, forty-five thousand, one hundred eleven".