131525505041521 has 8 divisors (see below), whose sum is σ = 131577546459744. Its totient is φ = 131473471078080.

The previous prime is 131525505041509. The next prime is 131525505041549. The reversal of 131525505041521 is 125140505525131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 131525505041521 - 2¹¹ = 131525505039473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131525505041561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33562590 + ... + 37275976.

It is an arithmetic number, because the mean of its divisors is an integer number (16447193307468).

Almost surely, 2^{131525505041521} is an apocalyptic number.

It is an amenable number.

131525505041521 is a deficient number, since it is larger than the sum of its proper divisors (52041418223).

131525505041521 is a wasteful number, since it uses less digits than its factorization.

131525505041521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3727391.

The product of its (nonzero) digits is 150000, while the sum is 40.

The spelling of 131525505041521 in words is "one hundred thirty-one trillion, five hundred twenty-five billion, five hundred five million, forty-one thousand, five hundred twenty-one".