345755511 has 6 divisors (see below), whose sum is σ = 499424640. Its totient is φ = 230503668.

The previous prime is 345755489. The next prime is 345755513. The reversal of 345755511 is 115557543.

It is a happy number.

345755511 is a `hidden beast` number, since 34 + 5 + 75 + 551 + 1 = 666.

It is not a de Polignac number, because 345755511 - 2⁷ = 345755383 is a prime.

It is a super-2 number, since 2×345755511² = 239093746773742242, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345755513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 19208631 + ... + 19208648.

It is an arithmetic number, because the mean of its divisors is an integer number (83237440).

Almost surely, 2^345755511 is an apocalyptic number.

345755511 is a deficient number, since it is larger than the sum of its proper divisors (153669129).

345755511 is a wasteful number, since it uses less digits than its factorization.

345755511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38417285 (or 38417282 counting only the distinct ones).

The product of its digits is 52500, while the sum is 36.

The square root of 345755511 is about 18594.5021713409. The cubic root of 345755511 is about 701.8694999340.

The spelling of 345755511 in words is "three hundred forty-five million, seven hundred fifty-five thousand, five hundred eleven".