11621726411 has 8 divisors (see below), whose sum is σ = 11665762800. Its totient is φ = 11577767040.

The previous prime is 11621726399. The next prime is 11621726443. The reversal of 11621726411 is 11462712611.

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 11621726411 - 2¹⁰ = 11621725387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11621726111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 292580 + ... + 329918.

It is an arithmetic number, because the mean of its divisors is an integer number (1458220350).

Almost surely, 2^11621726411 is an apocalyptic number.

11621726411 is a deficient number, since it is larger than the sum of its proper divisors (44036389).

11621726411 is an equidigital number, since it uses as much as digits as its factorization.

11621726411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38509.

The product of its digits is 4032, while the sum is 32.

The spelling of 11621726411 in words is "eleven billion, six hundred twenty-one million, seven hundred twenty-six thousand, four hundred eleven".