201501132125541 has 16 divisors (see below), whose sum is σ = 282489472995840. Its totient is φ = 127512609326960.

The previous prime is 201501132125497. The next prime is 201501132125597. The reversal of 201501132125541 is 145521231105102.

It is a cyclic number.

It is not a de Polignac number, because 201501132125541 - 2¹⁸ = 201501131863397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201501132125141) 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, 11146198071 + ... + 11146216148.

It is an arithmetic number, because the mean of its divisors is an integer number (17655592062240).

Almost surely, 2^{201501132125541} is an apocalyptic number.

It is an amenable number.

201501132125541 is a deficient number, since it is larger than the sum of its proper divisors (80988340870299).

201501132125541 is a wasteful number, since it uses less digits than its factorization.

201501132125541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22292414376.

The product of its (nonzero) digits is 12000, while the sum is 33.

The spelling of 201501132125541 in words is "two hundred one trillion, five hundred one billion, one hundred thirty-two million, one hundred twenty-five thousand, five hundred forty-one".