351209055952768 has 128 divisors (see below), whose sum is σ = 757914727993920. Its totient is φ = 161145930940416.

The previous prime is 351209055952757. The next prime is 351209055952849. The reversal of 351209055952768 is 867259550902153.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

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, 3940059496 + ... + 3940148632.

Almost surely, 2^{351209055952768} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 351209055952768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (378957363996960).

351209055952768 is an abundant number, since it is smaller than the sum of its proper divisors (406705672041152).

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

351209055952768 is a wasteful number, since it uses less digits than its factorization.

351209055952768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103024 (or 103012 counting only the distinct ones).

The product of its (nonzero) digits is 204120000, while the sum is 67.

The spelling of 351209055952768 in words is "three hundred fifty-one trillion, two hundred nine billion, fifty-five million, nine hundred fifty-two thousand, seven hundred sixty-eight".