11126265661 has 8 divisors (see below), whose sum is σ = 12785986304. Its totient is φ = 9484108560.

The previous prime is 11126265649. The next prime is 11126265713. The reversal of 11126265661 is 16656262111.

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

It is a cyclic number.

It is not a de Polignac number, because 11126265661 - 2²⁵ = 11092711229 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11126265661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11126265641) 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, 4389525 + ... + 4392058.

It is an arithmetic number, because the mean of its divisors is an integer number (1598248288).

Almost surely, 2^11126265661 is an apocalyptic number.

It is an amenable number.

11126265661 is a deficient number, since it is larger than the sum of its proper divisors (1659720643).

11126265661 is an equidigital number, since it uses as much as digits as its factorization.

11126265661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8781771.

The product of its digits is 25920, while the sum is 37.

The spelling of 11126265661 in words is "eleven billion, one hundred twenty-six million, two hundred sixty-five thousand, six hundred sixty-one".