61205275343 has 2 divisors, whose sum is σ = 61205275344. Its totient is φ = 61205275342.

The previous prime is 61205275291. The next prime is 61205275349. The reversal of 61205275343 is 34357250216.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 61205275343 - 2⁶ = 61205275279 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 61205275297 and 61205275306.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61205275349) 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, 30602637671 + 30602637672.

It is an arithmetic number, because the mean of its divisors is an integer number (30602637672).

Almost surely, 2^61205275343 is an apocalyptic number.

61205275343 is a deficient number, since it is larger than the sum of its proper divisors (1).

61205275343 is an equidigital number, since it uses as much as digits as its factorization.

61205275343 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 151200, while the sum is 38.

The spelling of 61205275343 in words is "sixty-one billion, two hundred five million, two hundred seventy-five thousand, three hundred forty-three".