61147586306383 has 2 divisors, whose sum is σ = 61147586306384. Its totient is φ = 61147586306382.

The previous prime is 61147586306357. The next prime is 61147586306407. The reversal of 61147586306383 is 38360368574116.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 61147586306383 - 2⁵ = 61147586306351 is a prime.

It is a super-2 number, since 2×61147586306383² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61147586306483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30573793153191 + 30573793153192.

It is an arithmetic number, because the mean of its divisors is an integer number (30573793153192).

Almost surely, 2^{61147586306383} is an apocalyptic number.

61147586306383 is a deficient number, since it is larger than the sum of its proper divisors (1).

61147586306383 is an equidigital number, since it uses as much as digits as its factorization.

61147586306383 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 52254720, while the sum is 61.

The spelling of 61147586306383 in words is "sixty-one trillion, one hundred forty-seven billion, five hundred eighty-six million, three hundred six thousand, three hundred eighty-three".