321054551345 has 16 divisors (see below), whose sum is σ = 430063774272. Its totient is φ = 228064119360.

The previous prime is 321054551327. The next prime is 321054551353. The reversal of 321054551345 is 543155450123.

It is not a de Polignac number, because 321054551345 - 2¹⁴ = 321054534961 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 321054551299 and 321054551308.

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, 67873862 + ... + 67878591.

It is an arithmetic number, because the mean of its divisors is an integer number (26878985892).

Almost surely, 2^321054551345 is an apocalyptic number.

It is an amenable number.

321054551345 is a deficient number, since it is larger than the sum of its proper divisors (109009222927).

321054551345 is a wasteful number, since it uses less digits than its factorization.

321054551345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135752512.

The product of its (nonzero) digits is 180000, while the sum is 38.

The spelling of 321054551345 in words is "three hundred twenty-one billion, fifty-four million, five hundred fifty-one thousand, three hundred forty-five".