133255503125 has 12 divisors (see below), whose sum is σ = 166558722372. Its totient is φ = 106604400000.

The previous prime is 133255503107. The next prime is 133255503163. The reversal of 133255503125 is 521305552331.

It can be written as a sum of positive squares in 6 ways, for example, as 69327943204 + 63927559921 = 263302^2 + 252839^2 .

It is not a de Polignac number, because 133255503125 - 2²⁰ = 133254454549 is a prime.

It is a super-2 number, since 2×133255503125² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent 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 11 ways as a sum of consecutive naturals, for example, 21317756 + ... + 21324005.

It is an arithmetic number, because the mean of its divisors is an integer number (13879893531).

Almost surely, 2^133255503125 is an apocalyptic number.

It is an amenable number.

133255503125 is a deficient number, since it is larger than the sum of its proper divisors (33303219247).

133255503125 is an frugal number, since it uses more digits than its factorization.

133255503125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42641786 (or 42641766 counting only the distinct ones).

The product of its (nonzero) digits is 67500, while the sum is 35.

The spelling of 133255503125 in words is "one hundred thirty-three billion, two hundred fifty-five million, five hundred three thousand, one hundred twenty-five".