345551110623556 has 48 divisors (see below), whose sum is σ = 619564645889280. Its totient is φ = 168582966128640.

The previous prime is 345551110623469. The next prime is 345551110623571. The reversal of 345551110623556 is 655326011155543.

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, 2782533841 + ... + 2782658023.

It is an arithmetic number, because the mean of its divisors is an integer number (12907596789360).

Almost surely, 2^{345551110623556} is an apocalyptic number.

It is an amenable number.

345551110623556 is a deficient number, since it is larger than the sum of its proper divisors (274013535265724).

345551110623556 is a wasteful number, since it uses less digits than its factorization.

345551110623556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225364 (or 225362 counting only the distinct ones).

The product of its (nonzero) digits is 8100000, while the sum is 52.

The spelling of 345551110623556 in words is "three hundred forty-five trillion, five hundred fifty-one billion, one hundred ten million, six hundred twenty-three thousand, five hundred fifty-six".