35115174365981 has 2 divisors, whose sum is σ = 35115174365982. Its totient is φ = 35115174365980.

The previous prime is 35115174365959. The next prime is 35115174366047. The reversal of 35115174365981 is 18956347151153.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20714022202756 + 14401152163225 = 4551266^2 + 3794885^2 .

It is a cyclic number.

It is not a de Polignac number, because 35115174365981 - 2³⁰ = 35114100624157 is a prime.

It is a super-2 number, since 2×35115174365981² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 35115174365981.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (35115174365881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17557587182990 + 17557587182991.

It is an arithmetic number, because the mean of its divisors is an integer number (17557587182991).

Almost surely, 2^{35115174365981} is an apocalyptic number.

It is an amenable number.

35115174365981 is a deficient number, since it is larger than the sum of its proper divisors (1).

35115174365981 is an equidigital number, since it uses as much as digits as its factorization.

35115174365981 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13608000, while the sum is 59.

The spelling of 35115174365981 in words is "thirty-five trillion, one hundred fifteen billion, one hundred seventy-four million, three hundred sixty-five thousand, nine hundred eighty-one".