61035135289 has 2 divisors, whose sum is σ = 61035135290. Its totient is φ = 61035135288.

The previous prime is 61035135277. The next prime is 61035135311. The reversal of 61035135289 is 98253153016.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 60090187689 + 944947600 = 245133^2 + 30740^2 .

It is a cyclic number.

It is not a de Polignac number, because 61035135289 - 2³³ = 52445200697 is a prime.

It is a super-2 number, since 2×61035135289² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (61035135209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30517567644 + 30517567645.

It is an arithmetic number, because the mean of its divisors is an integer number (30517567645).

Almost surely, 2^61035135289 is an apocalyptic number.

It is an amenable number.

61035135289 is a deficient number, since it is larger than the sum of its proper divisors (1).

61035135289 is an equidigital number, since it uses as much as digits as its factorization.

61035135289 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 194400, while the sum is 43.

The spelling of 61035135289 in words is "sixty-one billion, thirty-five million, one hundred thirty-five thousand, two hundred eighty-nine".