11126501603 has 4 divisors (see below), whose sum is σ = 12716001840. Its totient is φ = 9537001368.

The previous prime is 11126501569. The next prime is 11126501621. The reversal of 11126501603 is 30610562111.

11126501603 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30610562111 = 29501 ⋅1037611.

It is a cyclic number.

It is not a de Polignac number, because 11126501603 - 2⁶ = 11126501539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11126501653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 794750108 + ... + 794750121.

It is an arithmetic number, because the mean of its divisors is an integer number (3179000460).

Almost surely, 2^11126501603 is an apocalyptic number.

11126501603 is a deficient number, since it is larger than the sum of its proper divisors (1589500237).

11126501603 is an equidigital number, since it uses as much as digits as its factorization.

11126501603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1589500236.

The product of its (nonzero) digits is 1080, while the sum is 26.

The spelling of 11126501603 in words is "eleven billion, one hundred twenty-six million, five hundred one thousand, six hundred three".