11126416651 has 4 divisors (see below), whose sum is σ = 12715904752. Its totient is φ = 9536928552.

The previous prime is 11126416633. The next prime is 11126416661. The reversal of 11126416651 is 15661462111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15661462111 = 9041 ⋅1732271.

It is a cyclic number.

It is not a de Polignac number, because 11126416651 - 2⁵ = 11126416619 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11126416621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 794744040 + ... + 794744053.

It is an arithmetic number, because the mean of its divisors is an integer number (3178976188).

Almost surely, 2^11126416651 is an apocalyptic number.

11126416651 is a deficient number, since it is larger than the sum of its proper divisors (1589488101).

11126416651 is an equidigital number, since it uses as much as digits as its factorization.

11126416651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1589488100.

The product of its digits is 8640, while the sum is 34.

Adding to 11126416651 its reverse (15661462111), we get a palindrome (26787878762).

The spelling of 11126416651 in words is "eleven billion, one hundred twenty-six million, four hundred sixteen thousand, six hundred fifty-one".