118435720573 has 2 divisors, whose sum is σ = 118435720574. Its totient is φ = 118435720572.

The previous prime is 118435720549. The next prime is 118435720591. The reversal of 118435720573 is 375027534811.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 109546436484 + 8889284089 = 330978^2 + 94283^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-118435720573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (118435720523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59217860286 + 59217860287.

It is an arithmetic number, because the mean of its divisors is an integer number (59217860287).

Almost surely, 2^118435720573 is an apocalyptic number.

It is an amenable number.

118435720573 is a deficient number, since it is larger than the sum of its proper divisors (1).

118435720573 is an equidigital number, since it uses as much as digits as its factorization.

118435720573 is an evil number, because the sum of its binary digits is even.

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

The spelling of 118435720573 in words is "one hundred eighteen billion, four hundred thirty-five million, seven hundred twenty thousand, five hundred seventy-three".