11758221911 has 8 divisors (see below), whose sum is σ = 12138881664. Its totient is φ = 11377647360.

The previous prime is 11758221857. The next prime is 11758221919. The reversal of 11758221911 is 11912285711.

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 11758221911 - 2¹⁸ = 11757959767 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 (11758221919) 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, 378671 + ... + 408543.

It is an arithmetic number, because the mean of its divisors is an integer number (1517360208).

Almost surely, 2^11758221911 is an apocalyptic number.

11758221911 is a deficient number, since it is larger than the sum of its proper divisors (380659753).

11758221911 is a wasteful number, since it uses less digits than its factorization.

11758221911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42601.

The product of its digits is 10080, while the sum is 38.

The spelling of 11758221911 in words is "eleven billion, seven hundred fifty-eight million, two hundred twenty-one thousand, nine hundred eleven".