355551360881 has 4 divisors (see below), whose sum is σ = 355559145792. Its totient is φ = 355543575972.

The previous prime is 355551360877. The next prime is 355551360889. The reversal of 355551360881 is 188063155553.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 355551360881 - 2² = 355551360877 is a prime.

It is a super-2 number, since 2×355551360881² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (355551360889) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3823541 + ... + 3915426.

It is an arithmetic number, because the mean of its divisors is an integer number (88889786448).

Almost surely, 2^355551360881 is an apocalyptic number.

It is an amenable number.

355551360881 is a deficient number, since it is larger than the sum of its proper divisors (7784911).

355551360881 is an equidigital number, since it uses as much as digits as its factorization.

355551360881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7784910.

The product of its (nonzero) digits is 2160000, while the sum is 50.

The spelling of 355551360881 in words is "three hundred fifty-five billion, five hundred fifty-one million, three hundred sixty thousand, eight hundred eighty-one".