61120321271 has 2 divisors, whose sum is σ = 61120321272. Its totient is φ = 61120321270.

The previous prime is 61120321211. The next prime is 61120321313. The reversal of 61120321271 is 17212302116.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 61120321271 - 2³⁰ = 60046579447 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 61120321271.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61120321211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30560160635 + 30560160636.

It is an arithmetic number, because the mean of its divisors is an integer number (30560160636).

Almost surely, 2^61120321271 is an apocalyptic number.

61120321271 is a deficient number, since it is larger than the sum of its proper divisors (1).

61120321271 is an equidigital number, since it uses as much as digits as its factorization.

61120321271 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 26.

Adding to 61120321271 its reverse (17212302116), we get a palindrome (78332623387).

The spelling of 61120321271 in words is "sixty-one billion, one hundred twenty million, three hundred twenty-one thousand, two hundred seventy-one".