345511566522 has 32 divisors (see below), whose sum is σ = 784139731200. Its totient is φ = 112720084704.

The previous prime is 345511566511. The next prime is 345511566557. The reversal of 345511566522 is 225665115543.

345511566522 is a `hidden beast` number, since 3 + 4 + 5 + 5 + 115 + 6 + 6 + 522 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68065147 + ... + 68070222.

It is an arithmetic number, because the mean of its divisors is an integer number (24504366600).

Almost surely, 2^345511566522 is an apocalyptic number.

345511566522 is an abundant number, since it is smaller than the sum of its proper divisors (438628164678).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

345511566522 is a wasteful number, since it uses less digits than its factorization.

345511566522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136135427 (or 136135421 counting only the distinct ones).

The product of its digits is 1080000, while the sum is 45.

The spelling of 345511566522 in words is "three hundred forty-five billion, five hundred eleven million, five hundred sixty-six thousand, five hundred twenty-two".