11126542858 has 4 divisors (see below), whose sum is σ = 16689814290. Its totient is φ = 5563271428.

The previous prime is 11126542849. The next prime is 11126542877. The reversal of 11126542858 is 85824562111.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 6822264409 + 4304278449 = 82597^2 + 65607^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2781635713 + ... + 2781635716.

Almost surely, 2^11126542858 is an apocalyptic number.

11126542858 is a deficient number, since it is larger than the sum of its proper divisors (5563271432).

11126542858 is an equidigital number, since it uses as much as digits as its factorization.

11126542858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5563271431.

The product of its digits is 153600, while the sum is 43.

The spelling of 11126542858 in words is "eleven billion, one hundred twenty-six million, five hundred forty-two thousand, eight hundred fifty-eight".