133530115575 has 48 divisors (see below), whose sum is σ = 226390260096. Its totient is φ = 69410140800.

The previous prime is 133530115549. The next prime is 133530115597. The reversal of 133530115575 is 575511035331.

It is not a de Polignac number, because 133530115575 - 2⁹ = 133530115063 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1461745 + ... + 1550405.

It is an arithmetic number, because the mean of its divisors is an integer number (4716463752).

Almost surely, 2^133530115575 is an apocalyptic number.

133530115575 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

133530115575 is a deficient number, since it is larger than the sum of its proper divisors (92860144521).

133530115575 is a wasteful number, since it uses less digits than its factorization.

133530115575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89184 (or 89179 counting only the distinct ones).

The product of its (nonzero) digits is 118125, while the sum is 39.

The spelling of 133530115575 in words is "one hundred thirty-three billion, five hundred thirty million, one hundred fifteen thousand, five hundred seventy-five".