345531511434111 has 4 divisors (see below), whose sum is σ = 460708681912152. Its totient is φ = 230354340956072.

The previous prime is 345531511434079. The next prime is 345531511434121. The reversal of 345531511434111 is 111434115135543.

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 345531511434111 - 2⁵ = 345531511434079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345531511434121) 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, 57588585239016 + ... + 57588585239021.

It is an arithmetic number, because the mean of its divisors is an integer number (115177170478038).

Almost surely, 2^{345531511434111} is an apocalyptic number.

345531511434111 is a deficient number, since it is larger than the sum of its proper divisors (115177170478041).

345531511434111 is a wasteful number, since it uses less digits than its factorization.

345531511434111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115177170478040.

The product of its digits is 216000, while the sum is 42.

Adding to 345531511434111 its reverse (111434115135543), we get a palindrome (456965626569654).

The spelling of 345531511434111 in words is "three hundred forty-five trillion, five hundred thirty-one billion, five hundred eleven million, four hundred thirty-four thousand, one hundred eleven".