11361426661 has 8 divisors (see below), whose sum is σ = 12247038944. Its totient is φ = 10477479600.

The previous prime is 11361426649. The next prime is 11361426709. The reversal of 11361426661 is 16662416311.

11361426661 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 11361426661 - 2⁷ = 11361426533 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11361426661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11361426061) 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 7 ways as a sum of consecutive naturals, for example, 402111 + ... + 429436.

It is an arithmetic number, because the mean of its divisors is an integer number (1530879868).

Almost surely, 2^11361426661 is an apocalyptic number.

It is an amenable number.

11361426661 is a deficient number, since it is larger than the sum of its proper divisors (885612283).

11361426661 is a wasteful number, since it uses less digits than its factorization.

11361426661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 832611.

The product of its digits is 31104, while the sum is 37.

The spelling of 11361426661 in words is "eleven billion, three hundred sixty-one million, four hundred twenty-six thousand, six hundred sixty-one".