61517227411 has 2 divisors, whose sum is σ = 61517227412. Its totient is φ = 61517227410.

The previous prime is 61517227381. The next prime is 61517227441. The reversal of 61517227411 is 11472271516.

It is a balanced prime because it is at equal distance from previous prime (61517227381) and next prime (61517227441).

It is a cyclic number.

It is not a de Polignac number, because 61517227411 - 2²³ = 61508838803 is a prime.

It is not a weakly prime, because it can be changed into another prime (61517227441) 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, 30758613705 + 30758613706.

It is an arithmetic number, because the mean of its divisors is an integer number (30758613706).

Almost surely, 2^61517227411 is an apocalyptic number.

61517227411 is a deficient number, since it is larger than the sum of its proper divisors (1).

61517227411 is an equidigital number, since it uses as much as digits as its factorization.

61517227411 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23520, while the sum is 37.

Adding to 61517227411 its reverse (11472271516), we get a palindrome (72989498927).

The spelling of 61517227411 in words is "sixty-one billion, five hundred seventeen million, two hundred twenty-seven thousand, four hundred eleven".