133525601510561 has 16 divisors (see below), whose sum is σ = 144055077264000. Its totient is φ = 123033074331648.

The previous prime is 133525601510549. The next prime is 133525601510597. The reversal of 133525601510561 is 165015106525331.

It is not a de Polignac number, because 133525601510561 - 2¹⁴ = 133525601494177 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (133525601540561) by changing a digit.

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, 60725210 + ... + 62885628.

It is an arithmetic number, because the mean of its divisors is an integer number (9003442329000).

Almost surely, 2^{133525601510561} is an apocalyptic number.

It is an amenable number.

133525601510561 is a deficient number, since it is larger than the sum of its proper divisors (10529475753439).

133525601510561 is a wasteful number, since it uses less digits than its factorization.

133525601510561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2168968.

The product of its (nonzero) digits is 405000, while the sum is 44.

The spelling of 133525601510561 in words is "one hundred thirty-three trillion, five hundred twenty-five billion, six hundred one million, five hundred ten thousand, five hundred sixty-one".