11126011033561 has 8 divisors (see below), whose sum is σ = 11308658949504. Its totient is φ = 10943371320720.

The previous prime is 11126011033531. The next prime is 11126011033567. The reversal of 11126011033561 is 16533011062111.

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-11126011033561 is a prime.

It is a super-2 number, since 2×11126011033561² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11126011033567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 714480 + ... + 4771006.

It is an arithmetic number, because the mean of its divisors is an integer number (1413582368688).

Almost surely, 2^{11126011033561} is an apocalyptic number.

It is an amenable number.

11126011033561 is a deficient number, since it is larger than the sum of its proper divisors (182647915943).

11126011033561 is an equidigital number, since it uses as much as digits as its factorization.

11126011033561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4101551.

The product of its (nonzero) digits is 3240, while the sum is 31.

Adding to 11126011033561 its reverse (16533011062111), we get a palindrome (27659022095672).

The spelling of 11126011033561 in words is "eleven trillion, one hundred twenty-six billion, eleven million, thirty-three thousand, five hundred sixty-one".