133550838825 has 24 divisors (see below), whose sum is σ = 227926768896. Its totient is φ = 68929464000.

The previous prime is 133550838779. The next prime is 133550838859. The reversal of 133550838825 is 528838055331.

It is not a de Polignac number, because 133550838825 - 2⁷ = 133550838697 is a prime.

It is a super-2 number, since 2×133550838825² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28718286 + ... + 28722935.

It is an arithmetic number, because the mean of its divisors is an integer number (9496948704).

Almost surely, 2^133550838825 is an apocalyptic number.

133550838825 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

133550838825 is a deficient number, since it is larger than the sum of its proper divisors (94375930071).

133550838825 is a wasteful number, since it uses less digits than its factorization.

133550838825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57441265 (or 57441260 counting only the distinct ones).

The product of its (nonzero) digits is 3456000, while the sum is 51.

The spelling of 133550838825 in words is "one hundred thirty-three billion, five hundred fifty million, eight hundred thirty-eight thousand, eight hundred twenty-five".