11428297742 has 4 divisors (see below), whose sum is σ = 17142446616. Its totient is φ = 5714148870.

The previous prime is 11428297739. The next prime is 11428297789. The reversal of 11428297742 is 24779282411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24779282411 = 13 ⋅1906098647.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2857074434 + ... + 2857074437.

It is an arithmetic number, because the mean of its divisors is an integer number (4285611654).

Almost surely, 2^11428297742 is an apocalyptic number.

11428297742 is a deficient number, since it is larger than the sum of its proper divisors (5714148874).

11428297742 is an equidigital number, since it uses as much as digits as its factorization.

11428297742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5714148873.

The product of its digits is 451584, while the sum is 47.

The spelling of 11428297742 in words is "eleven billion, four hundred twenty-eight million, two hundred ninety-seven thousand, seven hundred forty-two".