345234145311511 has 2 divisors, whose sum is σ = 345234145311512. Its totient is φ = 345234145311510.

The previous prime is 345234145311493. The next prime is 345234145311533. The reversal of 345234145311511 is 115113541432543.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-345234145311511 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (345234145318511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172617072655755 + 172617072655756.

It is an arithmetic number, because the mean of its divisors is an integer number (172617072655756).

Almost surely, 2^{345234145311511} is an apocalyptic number.

345234145311511 is a deficient number, since it is larger than the sum of its proper divisors (1).

345234145311511 is an equidigital number, since it uses as much as digits as its factorization.

345234145311511 is an evil number, because the sum of its binary digits is even.

The product of its digits is 432000, while the sum is 43.

The spelling of 345234145311511 in words is "three hundred forty-five trillion, two hundred thirty-four billion, one hundred forty-five million, three hundred eleven thousand, five hundred eleven".