133051113500 has 96 divisors (see below), whose sum is σ = 292965761088. Its totient is φ = 52785561600.

The previous prime is 133051113491. The next prime is 133051113523. The reversal of 133051113500 is 5311150331.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 48328124 + ... + 48330876.

It is an arithmetic number, because the mean of its divisors is an integer number (3051726678).

Almost surely, 2^133051113500 is an apocalyptic number.

133051113500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 133051113500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (146482880544).

133051113500 is an abundant number, since it is smaller than the sum of its proper divisors (159914647588).

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

133051113500 is a wasteful number, since it uses less digits than its factorization.

133051113500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3528 (or 3516 counting only the distinct ones).

The product of its (nonzero) digits is 675, while the sum is 23.

Adding to 133051113500 its reverse (5311150331), we get a palindrome (138362263831).

The spelling of 133051113500 in words is "one hundred thirty-three billion, fifty-one million, one hundred thirteen thousand, five hundred".