355855288561 has 8 divisors (see below), whose sum is σ = 378447815520. Its totient is φ = 333447190848.

The previous prime is 355855288543. The next prime is 355855288573. The reversal of 355855288561 is 165882558553.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 355855288561 - 2¹¹ = 355855286513 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 355855288561.

It is not an unprimeable number, because it can be changed into a prime (355855288501) 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, 46103331 + ... + 46111048.

It is an arithmetic number, because the mean of its divisors is an integer number (47305976940).

Almost surely, 2^355855288561 is an apocalyptic number.

It is an amenable number.

355855288561 is a deficient number, since it is larger than the sum of its proper divisors (22592526959).

355855288561 is a wasteful number, since it uses less digits than its factorization.

355855288561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92214623.

The product of its digits is 57600000, while the sum is 61.

The spelling of 355855288561 in words is "three hundred fifty-five billion, eight hundred fifty-five million, two hundred eighty-eight thousand, five hundred sixty-one".