306115420543601 has 2 divisors, whose sum is σ = 306115420543602. Its totient is φ = 306115420543600.

The previous prime is 306115420543573. The next prime is 306115420543627. The reversal of 306115420543601 is 106345024511603.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 274597245592576 + 31518174951025 = 16570976^2 + 5614105^2 .

It is a cyclic number.

It is not a de Polignac number, because 306115420543601 - 2²² = 306115416349297 is a prime.

It is not a weakly prime, because it can be changed into another prime (306115420543001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 153057710271800 + 153057710271801.

It is an arithmetic number, because the mean of its divisors is an integer number (153057710271801).

Almost surely, 2^{306115420543601} is an apocalyptic number.

It is an amenable number.

306115420543601 is a deficient number, since it is larger than the sum of its proper divisors (1).

306115420543601 is an equidigital number, since it uses as much as digits as its factorization.

306115420543601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 259200, while the sum is 41.

The spelling of 306115420543601 in words is "three hundred six trillion, one hundred fifteen billion, four hundred twenty million, five hundred forty-three thousand, six hundred one".