133255554155 has 4 divisors (see below), whose sum is σ = 159906664992. Its totient is φ = 106604443320.

The previous prime is 133255554149. The next prime is 133255554163. The reversal of 133255554155 is 551455552331.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 551455552331 = 41641 ⋅13243091.

It is not a de Polignac number, because 133255554155 - 2³⁰ = 132181812331 is a prime.

It is a super-2 number, since 2×133255554155² (a number of 23 digits) contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 13325555411 + ... + 13325555420.

It is an arithmetic number, because the mean of its divisors is an integer number (39976666248).

Almost surely, 2^133255554155 is an apocalyptic number.

133255554155 is a deficient number, since it is larger than the sum of its proper divisors (26651110837).

133255554155 is an equidigital number, since it uses as much as digits as its factorization.

133255554155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26651110836.

The product of its digits is 1125000, while the sum is 44.

The spelling of 133255554155 in words is "one hundred thirty-three billion, two hundred fifty-five million, five hundred fifty-four thousand, one hundred fifty-five".