351055121020 has 12 divisors (see below), whose sum is σ = 737215754184. Its totient is φ = 140422048400.

The previous prime is 351055121017. The next prime is 351055121071. The reversal of 351055121020 is 20121550153.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8776378006 + ... + 8776378045.

It is an arithmetic number, because the mean of its divisors is an integer number (61434646182).

Almost surely, 2^351055121020 is an apocalyptic number.

It is an amenable number.

351055121020 is an abundant number, since it is smaller than the sum of its proper divisors (386160633164).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

351055121020 is a wasteful number, since it uses less digits than its factorization.

351055121020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17552756060 (or 17552756058 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 25.

Adding to 351055121020 its reverse (20121550153), we get a palindrome (371176671173).

The spelling of 351055121020 in words is "three hundred fifty-one billion, fifty-five million, one hundred twenty-one thousand, twenty".