59403106661081 has 2 divisors, whose sum is σ = 59403106661082. Its totient is φ = 59403106661080.

The previous prime is 59403106661039. The next prime is 59403106661111. The reversal of 59403106661081 is 18016660130495.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 59301781585225 + 101325075856 = 7700765^2 + 318316^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-59403106661081 is a prime.

It is a super-2 number, since 2×59403106661081² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (59403109661081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29701553330540 + 29701553330541.

It is an arithmetic number, because the mean of its divisors is an integer number (29701553330541).

Almost surely, 2^{59403106661081} is an apocalyptic number.

It is an amenable number.

59403106661081 is a deficient number, since it is larger than the sum of its proper divisors (1).

59403106661081 is an equidigital number, since it uses as much as digits as its factorization.

59403106661081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 933120, while the sum is 50.

The spelling of 59403106661081 in words is "fifty-nine trillion, four hundred three billion, one hundred six million, six hundred sixty-one thousand, eighty-one".