61144316087 has 2 divisors, whose sum is σ = 61144316088. Its totient is φ = 61144316086.

The previous prime is 61144316059. The next prime is 61144316089. The reversal of 61144316087 is 78061344116.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 61144316087 - 2¹⁶ = 61144250551 is a prime.

Together with 61144316089, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61144316089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30572158043 + 30572158044.

It is an arithmetic number, because the mean of its divisors is an integer number (30572158044).

Almost surely, 2^61144316087 is an apocalyptic number.

61144316087 is a deficient number, since it is larger than the sum of its proper divisors (1).

61144316087 is an equidigital number, since it uses as much as digits as its factorization.

61144316087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96768, while the sum is 41.

The spelling of 61144316087 in words is "sixty-one billion, one hundred forty-four million, three hundred sixteen thousand, eighty-seven".