345621516011 has 2 divisors, whose sum is σ = 345621516012. Its totient is φ = 345621516010.

The previous prime is 345621516007. The next prime is 345621516029. The reversal of 345621516011 is 110615126543.

It is a weak prime.

It is an emirp because it is prime and its reverse (110615126543) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 345621516011 - 2² = 345621516007 is a prime.

It is not a weakly prime, because it can be changed into another prime (345621516041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172810758005 + 172810758006.

It is an arithmetic number, because the mean of its divisors is an integer number (172810758006).

Almost surely, 2^345621516011 is an apocalyptic number.

345621516011 is a deficient number, since it is larger than the sum of its proper divisors (1).

345621516011 is an equidigital number, since it uses as much as digits as its factorization.

345621516011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21600, while the sum is 35.

The spelling of 345621516011 in words is "three hundred forty-five billion, six hundred twenty-one million, five hundred sixteen thousand, eleven".