61752215467 has 2 divisors, whose sum is σ = 61752215468. Its totient is φ = 61752215466.

The previous prime is 61752215449. The next prime is 61752215507. The reversal of 61752215467 is 76451225716.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61752215467 - 2¹⁹ = 61751691179 is a prime.

It is a super-2 number, since 2×61752215467² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (61752215417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30876107733 + 30876107734.

It is an arithmetic number, because the mean of its divisors is an integer number (30876107734).

Almost surely, 2^61752215467 is an apocalyptic number.

61752215467 is a deficient number, since it is larger than the sum of its proper divisors (1).

61752215467 is an equidigital number, since it uses as much as digits as its factorization.

61752215467 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 705600, while the sum is 46.

The spelling of 61752215467 in words is "sixty-one billion, seven hundred fifty-two million, two hundred fifteen thousand, four hundred sixty-seven".