11126311651 has 32 divisors (see below), whose sum is σ = 14377789440. Its totient is φ = 8372681856.

The previous prime is 11126311643. The next prime is 11126311661. The reversal of 11126311651 is 15611362111.

11126311651 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11126311651 - 2³ = 11126311643 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11126311661) 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 31 ways as a sum of consecutive naturals, for example, 145350 + ... + 208276.

It is an arithmetic number, because the mean of its divisors is an integer number (449305920).

Almost surely, 2^11126311651 is an apocalyptic number.

11126311651 is a deficient number, since it is larger than the sum of its proper divisors (3251477789).

11126311651 is a wasteful number, since it uses less digits than its factorization.

11126311651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63043.

The product of its digits is 1080, while the sum is 28.

Adding to 11126311651 its reverse (15611362111), we get a palindrome (26737673762).

The spelling of 11126311651 in words is "eleven billion, one hundred twenty-six million, three hundred eleven thousand, six hundred fifty-one".