355561447391201 has 8 divisors (see below), whose sum is σ = 361390626258408. Its totient is φ = 349732278288000.

The previous prime is 355561447391191. The next prime is 355561447391243. The reversal of 355561447391201 is 102193744165553.

It can be written as a sum of positive squares in 4 ways, for example, as 123298482880225 + 232262964510976 = 11103985^2 + 15240176^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-355561447391201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (355561447399201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125550431 + ... + 128351211.

It is an arithmetic number, because the mean of its divisors is an integer number (45173828282301).

Almost surely, 2^{355561447391201} is an apocalyptic number.

It is an amenable number.

355561447391201 is a deficient number, since it is larger than the sum of its proper divisors (5829178867207).

355561447391201 is a wasteful number, since it uses less digits than its factorization.

355561447391201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4882003.

The product of its (nonzero) digits is 13608000, while the sum is 56.

The spelling of 355561447391201 in words is "three hundred fifty-five trillion, five hundred sixty-one billion, four hundred forty-seven million, three hundred ninety-one thousand, two hundred one".