133525105500 has 48 divisors (see below), whose sum is σ = 388825111584. Its totient is φ = 35606694400.

The previous prime is 133525105433. The next prime is 133525105529. The reversal of 133525105500 is 5501525331.

It is a super-2 number, since 2×133525105500² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 44506869 + ... + 44509868.

It is an arithmetic number, because the mean of its divisors is an integer number (8100523158).

Almost surely, 2^133525105500 is an apocalyptic number.

133525105500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133525105500 is an abundant number, since it is smaller than the sum of its proper divisors (255300006084).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

133525105500 is a wasteful number, since it uses less digits than its factorization.

133525105500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89016759 (or 89016747 counting only the distinct ones).

The product of its (nonzero) digits is 11250, while the sum is 30.

The spelling of 133525105500 in words is "one hundred thirty-three billion, five hundred twenty-five million, one hundred five thousand, five hundred".