355121300311 has 4 divisors (see below), whose sum is σ = 355156328824. Its totient is φ = 355086271800.

The previous prime is 355121300293. The next prime is 355121300353. The reversal of 355121300311 is 113003121553.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 355121300311 - 2³⁷ = 217682346839 is a prime.

It is a super-2 number, since 2×355121300311² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (355121300411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17499045 + ... + 17519326.

It is an arithmetic number, because the mean of its divisors is an integer number (88789082206).

Almost surely, 2^355121300311 is an apocalyptic number.

355121300311 is a deficient number, since it is larger than the sum of its proper divisors (35028513).

355121300311 is a wasteful number, since it uses less digits than its factorization.

355121300311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35028512.

The product of its (nonzero) digits is 1350, while the sum is 25.

Adding to 355121300311 its reverse (113003121553), we get a palindrome (468124421864).

The spelling of 355121300311 in words is "three hundred fifty-five billion, one hundred twenty-one million, three hundred thousand, three hundred eleven".