133055551111 has 8 divisors (see below), whose sum is σ = 152076712320. Its totient is φ = 114037696248.

The previous prime is 133055551099. The next prime is 133055551129. The reversal of 133055551111 is 111155550331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 133055551111 - 2⁷ = 133055550983 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 (133055551511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 739741 + ... + 901846.

It is an arithmetic number, because the mean of its divisors is an integer number (19009589040).

Almost surely, 2^133055551111 is an apocalyptic number.

133055551111 is a deficient number, since it is larger than the sum of its proper divisors (19021161209).

133055551111 is a wasteful number, since it uses less digits than its factorization.

133055551111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1653173.

The product of its (nonzero) digits is 5625, while the sum is 31.

The spelling of 133055551111 in words is "one hundred thirty-three billion, fifty-five million, five hundred fifty-one thousand, one hundred eleven".