133111253455 has 16 divisors (see below), whose sum is σ = 168195438720. Its totient is φ = 100851373728.

The previous prime is 133111253437. The next prime is 133111253459. The reversal of 133111253455 is 554352111331.

It is a cyclic number.

It is not a de Polignac number, because 133111253455 - 2¹⁵ = 133111220687 is a prime.

It is a super-2 number, since 2×133111253455² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 133111253455.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133111253459) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65644 + ... + 520126.

It is an arithmetic number, because the mean of its divisors is an integer number (10512214920).

Almost surely, 2^133111253455 is an apocalyptic number.

133111253455 is a deficient number, since it is larger than the sum of its proper divisors (35084185265).

133111253455 is a wasteful number, since it uses less digits than its factorization.

133111253455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457590.

The product of its digits is 27000, while the sum is 34.

Adding to 133111253455 its reverse (554352111331), we get a palindrome (687463364786).

The spelling of 133111253455 in words is "one hundred thirty-three billion, one hundred eleven million, two hundred fifty-three thousand, four hundred fifty-five".