11101542111 has 12 divisors (see below), whose sum is σ = 17493339240. Its totient is φ = 6728207280.

The previous prime is 11101542103. The next prime is 11101542143. The reversal of 11101542111 is 11124510111.

11101542111 is a `hidden beast` number, since 1 + 1 + 10 + 1 + 542 + 111 = 666.

It is not a de Polignac number, because 11101542111 - 2³ = 11101542103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11101542611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 56068296 + ... + 56068493.

It is an arithmetic number, because the mean of its divisors is an integer number (1457778270).

Almost surely, 2^11101542111 is an apocalyptic number.

11101542111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11101542111 is a deficient number, since it is larger than the sum of its proper divisors (6391797129).

11101542111 is a wasteful number, since it uses less digits than its factorization.

11101542111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112136806 (or 112136803 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 18.

The spelling of 11101542111 in words is "eleven billion, one hundred one million, five hundred forty-two thousand, one hundred eleven".