11626781111663 has 8 divisors (see below), whose sum is σ = 11722069063200. Its totient is φ = 11531861779680.

The previous prime is 11626781111651. The next prime is 11626781111669. The reversal of 11626781111663 is 36611118762611.

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 11626781111663 - 2¹² = 11626781107567 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11626781111669) 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, 92091548 + ... + 92217713.

It is an arithmetic number, because the mean of its divisors is an integer number (1465258632900).

Almost surely, 2^{11626781111663} is an apocalyptic number.

11626781111663 is a deficient number, since it is larger than the sum of its proper divisors (95287951537).

11626781111663 is a wasteful number, since it uses less digits than its factorization.

11626781111663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184309777.

The product of its digits is 435456, while the sum is 50.

The spelling of 11626781111663 in words is "eleven trillion, six hundred twenty-six billion, seven hundred eighty-one million, one hundred eleven thousand, six hundred sixty-three".