61306125119 has 2 divisors, whose sum is σ = 61306125120. Its totient is φ = 61306125118.

The previous prime is 61306125113. The next prime is 61306125151. The reversal of 61306125119 is 91152160316.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61306125119 - 2⁴ = 61306125103 is a prime.

It is a super-2 number, since 2×61306125119² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61306125113) 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, 30653062559 + 30653062560.

It is an arithmetic number, because the mean of its divisors is an integer number (30653062560).

Almost surely, 2^61306125119 is an apocalyptic number.

61306125119 is a deficient number, since it is larger than the sum of its proper divisors (1).

61306125119 is an equidigital number, since it uses as much as digits as its factorization.

61306125119 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9720, while the sum is 35.

The spelling of 61306125119 in words is "sixty-one billion, three hundred six million, one hundred twenty-five thousand, one hundred nineteen".