61184070257 has 2 divisors, whose sum is σ = 61184070258. Its totient is φ = 61184070256.

The previous prime is 61184070239. The next prime is 61184070271. The reversal of 61184070257 is 75207048116.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33839809936 + 27344260321 = 183956^2 + 165361^2 .

It is a cyclic number.

It is not a de Polignac number, because 61184070257 - 2¹² = 61184066161 is a prime.

It is not a weakly prime, because it can be changed into another prime (61184000257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30592035128 + 30592035129.

It is an arithmetic number, because the mean of its divisors is an integer number (30592035129).

Almost surely, 2^61184070257 is an apocalyptic number.

It is an amenable number.

61184070257 is a deficient number, since it is larger than the sum of its proper divisors (1).

61184070257 is an equidigital number, since it uses as much as digits as its factorization.

61184070257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 94080, while the sum is 41.

The spelling of 61184070257 in words is "sixty-one billion, one hundred eighty-four million, seventy thousand, two hundred fifty-seven".