35525566689881 has 2 divisors, whose sum is σ = 35525566689882. Its totient is φ = 35525566689880.

The previous prime is 35525566689869. The next prime is 35525566689887. The reversal of 35525566689881 is 18898666552553.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34702808846281 + 822757843600 = 5890909^2 + 907060^2 .

It is a cyclic number.

It is not a de Polignac number, because 35525566689881 - 2¹⁸ = 35525566427737 is a prime.

It is a super-2 number, since 2×35525566689881² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (35525566689887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17762783344940 + 17762783344941.

It is an arithmetic number, because the mean of its divisors is an integer number (17762783344941).

Almost surely, 2^{35525566689881} is an apocalyptic number.

It is an amenable number.

35525566689881 is a deficient number, since it is larger than the sum of its proper divisors (1).

35525566689881 is an equidigital number, since it uses as much as digits as its factorization.

35525566689881 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3732480000, while the sum is 77.

The spelling of 35525566689881 in words is "thirty-five trillion, five hundred twenty-five billion, five hundred sixty-six million, six hundred eighty-nine thousand, eight hundred eighty-one".