11126320511 has 8 divisors (see below), whose sum is σ = 11401328400. Its totient is φ = 10851485760.

The previous prime is 11126320451. The next prime is 11126320519. The reversal of 11126320511 is 11502362111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11126320511 is a prime.

It is a super-2 number, since 2×11126320511² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11126320519) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91985 + ... + 175253.

It is an arithmetic number, because the mean of its divisors is an integer number (1425166050).

Almost surely, 2^11126320511 is an apocalyptic number.

11126320511 is a deficient number, since it is larger than the sum of its proper divisors (275007889).

11126320511 is an equidigital number, since it uses as much as digits as its factorization.

11126320511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86569.

The product of its (nonzero) digits is 360, while the sum is 23.

Adding to 11126320511 its reverse (11502362111), we get a palindrome (22628682622).

The spelling of 11126320511 in words is "eleven billion, one hundred twenty-six million, three hundred twenty thousand, five hundred eleven".