61772265020519 has 2 divisors, whose sum is σ = 61772265020520. Its totient is φ = 61772265020518.

The previous prime is 61772265020513. The next prime is 61772265020527. The reversal of 61772265020519 is 91502056227716.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61772265020519 is a prime.

It is a super-2 number, since 2×61772265020519² (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 (61772265020513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30886132510259 + 30886132510260.

It is an arithmetic number, because the mean of its divisors is an integer number (30886132510260).

Almost surely, 2^{61772265020519} is an apocalyptic number.

61772265020519 is a deficient number, since it is larger than the sum of its proper divisors (1).

61772265020519 is an equidigital number, since it uses as much as digits as its factorization.

61772265020519 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3175200, while the sum is 53.

The spelling of 61772265020519 in words is "sixty-one trillion, seven hundred seventy-two billion, two hundred sixty-five million, twenty thousand, five hundred nineteen".