131501616732501 has 16 divisors (see below), whose sum is σ = 175626571513344. Its totient is φ = 87522277281264.

The previous prime is 131501616732427. The next prime is 131501616732557. The reversal of 131501616732501 is 105237616105131.

It is not a de Polignac number, because 131501616732501 - 2¹⁴ = 131501616716117 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131501616732901) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2151871 + ... + 16359516.

It is an arithmetic number, because the mean of its divisors is an integer number (10976660719584).

Almost surely, 2^{131501616732501} is an apocalyptic number.

It is an amenable number.

131501616732501 is a deficient number, since it is larger than the sum of its proper divisors (44124954780843).

131501616732501 is a wasteful number, since it uses less digits than its factorization.

131501616732501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18515320.

The product of its (nonzero) digits is 113400, while the sum is 42.

The spelling of 131501616732501 in words is "one hundred thirty-one trillion, five hundred one billion, six hundred sixteen million, seven hundred thirty-two thousand, five hundred one".