345111262111543 has 4 divisors (see below), whose sum is σ = 346592426326848. Its totient is φ = 343630097896240.

The previous prime is 345111262111519. The next prime is 345111262111631.

345111262111543 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 345111262111543 - 2¹³ = 345111262103351 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 345111262111496 and 345111262111505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345111262111643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 740582107303 + ... + 740582107768.

It is an arithmetic number, because the mean of its divisors is an integer number (86648106581712).

Almost surely, 2^{345111262111543} is an apocalyptic number.

345111262111543 is a deficient number, since it is larger than the sum of its proper divisors (1481164215305).

345111262111543 is a wasteful number, since it uses less digits than its factorization.

345111262111543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1481164215304.

The product of its digits is 86400, while the sum is 40.

The spelling of 345111262111543 in words is "three hundred forty-five trillion, one hundred eleven billion, two hundred sixty-two million, one hundred eleven thousand, five hundred forty-three".