61071524947 has 2 divisors, whose sum is σ = 61071524948. Its totient is φ = 61071524946.

The previous prime is 61071524887. The next prime is 61071524959. The reversal of 61071524947 is 74942517016.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 61071524947 - 2¹⁹ = 61071000659 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 61071524897 and 61071524906.

It is not a weakly prime, because it can be changed into another prime (61071527947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30535762473 + 30535762474.

It is an arithmetic number, because the mean of its divisors is an integer number (30535762474).

Almost surely, 2^61071524947 is an apocalyptic number.

61071524947 is a deficient number, since it is larger than the sum of its proper divisors (1).

61071524947 is an equidigital number, since it uses as much as digits as its factorization.

61071524947 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 423360, while the sum is 46.

The spelling of 61071524947 in words is "sixty-one billion, seventy-one million, five hundred twenty-four thousand, nine hundred forty-seven".