11911353995 has 8 divisors (see below), whose sum is σ = 14295550416. Its totient is φ = 9527799456.

The previous prime is 11911353959. The next prime is 11911354027. The reversal of 11911353995 is 59935311911.

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 11911353995 - 2¹⁸ = 11911091851 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 118652 + ... + 194681.

It is an arithmetic number, because the mean of its divisors is an integer number (1786943802).

Almost surely, 2^11911353995 is an apocalyptic number.

11911353995 is a deficient number, since it is larger than the sum of its proper divisors (2384196421).

11911353995 is an equidigital number, since it uses as much as digits as its factorization.

11911353995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320941.

The product of its digits is 164025, while the sum is 47.

The spelling of 11911353995 in words is "eleven billion, nine hundred eleven million, three hundred fifty-three thousand, nine hundred ninety-five".