11042710691 has 4 divisors (see below), whose sum is σ = 11043003384. Its totient is φ = 11042418000.

The previous prime is 11042710607. The next prime is 11042710729. The reversal of 11042710691 is 19601724011.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 19601724011 = 131 ⋅149631481.

It is a cyclic number.

It is not a de Polignac number, because 11042710691 - 2²⁶ = 10975601827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11042710891) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79610 + ... + 168591.

It is an arithmetic number, because the mean of its divisors is an integer number (2760750846).

Almost surely, 2^11042710691 is an apocalyptic number.

11042710691 is a deficient number, since it is larger than the sum of its proper divisors (292693).

11042710691 is an equidigital number, since it uses as much as digits as its factorization.

11042710691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292692.

The product of its (nonzero) digits is 3024, while the sum is 32.

The spelling of 11042710691 in words is "eleven billion, forty-two million, seven hundred ten thousand, six hundred ninety-one".