11115126506 has 16 divisors (see below), whose sum is σ = 18207629280. Its totient is φ = 5046985680.

The previous prime is 11115126499. The next prime is 11115126551. The reversal of 11115126506 is 60562151111.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 245921 + ... + 287588.

It is an arithmetic number, because the mean of its divisors is an integer number (1137976830).

Almost surely, 2^11115126506 is an apocalyptic number.

11115126506 is a deficient number, since it is larger than the sum of its proper divisors (7092502774).

11115126506 is a wasteful number, since it uses less digits than its factorization.

11115126506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534469.

The product of its (nonzero) digits is 1800, while the sum is 29.

Adding to 11115126506 its reverse (60562151111), we get a palindrome (71677277617).

The spelling of 11115126506 in words is "eleven billion, one hundred fifteen million, one hundred twenty-six thousand, five hundred six".