354121211345 has 16 divisors (see below), whose sum is σ = 470106115200. Its totient is φ = 253915334400.

The previous prime is 354121211303. The next prime is 354121211357. The reversal of 354121211345 is 543112121453.

It is not a de Polignac number, because 354121211345 - 2¹² = 354121207249 is a prime.

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, 45338120 + ... + 45345929.

It is an arithmetic number, because the mean of its divisors is an integer number (29381632200).

Almost surely, 2^354121211345 is an apocalyptic number.

It is an amenable number.

354121211345 is a deficient number, since it is larger than the sum of its proper divisors (115984903855).

354121211345 is a wasteful number, since it uses less digits than its factorization.

354121211345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90684136.

The product of its digits is 14400, while the sum is 32.

Adding to 354121211345 its reverse (543112121453), we get a palindrome (897233332798).

The spelling of 354121211345 in words is "three hundred fifty-four billion, one hundred twenty-one million, two hundred eleven thousand, three hundred forty-five".