11042111493 has 12 divisors (see below), whose sum is σ = 18228247648. Its totient is φ = 6309777960.

The previous prime is 11042111491. The next prime is 11042111527. The reversal of 11042111493 is 39411124011.

It is not a de Polignac number, because 11042111493 - 2¹ = 11042111491 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11042111491) 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, 87635743 + ... + 87635868.

Almost surely, 2^11042111493 is an apocalyptic number.

It is an amenable number.

11042111493 is a deficient number, since it is larger than the sum of its proper divisors (7186136155).

11042111493 is a wasteful number, since it uses less digits than its factorization.

11042111493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175271624 (or 175271621 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The spelling of 11042111493 in words is "eleven billion, forty-two million, one hundred eleven thousand, four hundred ninety-three".