72212501561527 has 2 divisors, whose sum is σ = 72212501561528. Its totient is φ = 72212501561526.

The previous prime is 72212501561437. The next prime is 72212501561561. The reversal of 72212501561527 is 72516510521227.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 72212501561527 - 2⁷ = 72212501561399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72212501561567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36106250780763 + 36106250780764.

It is an arithmetic number, because the mean of its divisors is an integer number (36106250780764).

Almost surely, 2^{72212501561527} is an apocalyptic number.

72212501561527 is a deficient number, since it is larger than the sum of its proper divisors (1).

72212501561527 is an equidigital number, since it uses as much as digits as its factorization.

72212501561527 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 588000, while the sum is 46.

The spelling of 72212501561527 in words is "seventy-two trillion, two hundred twelve billion, five hundred one million, five hundred sixty-one thousand, five hundred twenty-seven".