61550126059 has 2 divisors, whose sum is σ = 61550126060. Its totient is φ = 61550126058.

The previous prime is 61550126009. The next prime is 61550126063. The reversal of 61550126059 is 95062105516.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61550126059 is a prime.

It is not a weakly prime, because it can be changed into another prime (61550126009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30775063029 + 30775063030.

It is an arithmetic number, because the mean of its divisors is an integer number (30775063030).

Almost surely, 2^61550126059 is an apocalyptic number.

61550126059 is a deficient number, since it is larger than the sum of its proper divisors (1).

61550126059 is an equidigital number, since it uses as much as digits as its factorization.

61550126059 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81000, while the sum is 40.

The spelling of 61550126059 in words is "sixty-one billion, five hundred fifty million, one hundred twenty-six thousand, fifty-nine".