59881521620761 has 2 divisors, whose sum is σ = 59881521620762. Its totient is φ = 59881521620760.

The previous prime is 59881521620741. The next prime is 59881521620771. The reversal of 59881521620761 is 16702612518895.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39859082694025 + 20022438926736 = 6313405^2 + 4474644^2 .

It is a cyclic number.

It is not a de Polignac number, because 59881521620761 - 2³⁵ = 59847161882393 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 59881521620761.

It is not a weakly prime, because it can be changed into another prime (59881521620741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29940760810380 + 29940760810381.

It is an arithmetic number, because the mean of its divisors is an integer number (29940760810381).

Almost surely, 2^{59881521620761} is an apocalyptic number.

It is an amenable number.

59881521620761 is a deficient number, since it is larger than the sum of its proper divisors (1).

59881521620761 is an equidigital number, since it uses as much as digits as its factorization.

59881521620761 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14515200, while the sum is 61.

The spelling of 59881521620761 in words is "fifty-nine trillion, eight hundred eighty-one billion, five hundred twenty-one million, six hundred twenty thousand, seven hundred sixty-one".