133023551055 has 64 divisors (see below), whose sum is σ = 220660142976. Its totient is φ = 68382720000.

The previous prime is 133023551027. The next prime is 133023551093. The reversal of 133023551055 is 550155320331.

It is a happy number.

It is not a de Polignac number, because 133023551055 - 2¹¹ = 133023549007 is a prime.

It is a super-2 number, since 2×133023551055² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 41816565 + ... + 41819745.

It is an arithmetic number, because the mean of its divisors is an integer number (3447814734).

Almost surely, 2^133023551055 is an apocalyptic number.

133023551055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

133023551055 is a deficient number, since it is larger than the sum of its proper divisors (87636591921).

133023551055 is a wasteful number, since it uses less digits than its factorization.

133023551055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4028.

The product of its (nonzero) digits is 33750, while the sum is 33.

Adding to 133023551055 its reverse (550155320331), we get a palindrome (683178871386).

The spelling of 133023551055 in words is "one hundred thirty-three billion, twenty-three million, five hundred fifty-one thousand, fifty-five".