11138042445 has 16 divisors (see below), whose sum is σ = 18595688832. Its totient is φ = 5682015680.

The previous prime is 11138042437. The next prime is 11138042471. The reversal of 11138042445 is 54424083111.

It is not a de Polignac number, because 11138042445 - 2³ = 11138042437 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16141746 + ... + 16142435.

It is an arithmetic number, because the mean of its divisors is an integer number (1162230552).

Almost surely, 2^11138042445 is an apocalyptic number.

11138042445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11138042445 is a deficient number, since it is larger than the sum of its proper divisors (7457646387).

11138042445 is a wasteful number, since it uses less digits than its factorization.

11138042445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32284212.

The product of its (nonzero) digits is 15360, while the sum is 33.

The spelling of 11138042445 in words is "eleven billion, one hundred thirty-eight million, forty-two thousand, four hundred forty-five".