11126253442 has 4 divisors (see below), whose sum is σ = 16689380166. Its totient is φ = 5563126720.

The previous prime is 11126253403. The next prime is 11126253451. The reversal of 11126253442 is 24435262111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24435262111 = 13 ⋅1879635547.

It can be written as a sum of positive squares in only one way, i.e., 10718253841 + 407999601 = 103529^2 + 20199^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2781563359 + ... + 2781563362.

Almost surely, 2^11126253442 is an apocalyptic number.

11126253442 is a deficient number, since it is larger than the sum of its proper divisors (5563126724).

11126253442 is an equidigital number, since it uses as much as digits as its factorization.

11126253442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5563126723.

The product of its digits is 11520, while the sum is 31.

The spelling of 11126253442 in words is "eleven billion, one hundred twenty-six million, two hundred fifty-three thousand, four hundred forty-two".