133634255161011 has 32 divisors (see below), whose sum is σ = 205849641973248. Its totient is φ = 76212018071040.

The previous prime is 133634255161003. The next prime is 133634255161021. The reversal of 133634255161011 is 110161552436331.

It is not a de Polignac number, because 133634255161011 - 2³ = 133634255161003 is a prime.

It is a super-2 number, since 2×133634255161011² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (133634255161021) 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 31 ways as a sum of consecutive naturals, for example, 19341511 + ... + 25325136.

It is an arithmetic number, because the mean of its divisors is an integer number (6432801311664).

Almost surely, 2^{133634255161011} is an apocalyptic number.

133634255161011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

133634255161011 is a deficient number, since it is larger than the sum of its proper divisors (72215386812237).

133634255161011 is a wasteful number, since it uses less digits than its factorization.

133634255161011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44672011.

The product of its (nonzero) digits is 194400, while the sum is 42.

The spelling of 133634255161011 in words is "one hundred thirty-three trillion, six hundred thirty-four billion, two hundred fifty-five million, one hundred sixty-one thousand, eleven".