351121512532133 has 12 divisors (see below), whose sum is σ = 422531869410540. Its totient is φ = 290583320715072.

The previous prime is 351121512532127. The next prime is 351121512532151. The reversal of 351121512532133 is 331235215121153.

It can be written as a sum of positive squares in 2 ways, for example, as 60276559384804 + 290844953147329 = 7763798^2 + 17054177^2 .

It is not a de Polignac number, because 351121512532133 - 2²⁸ = 351121244096677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (351121512532103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 123547328816 + ... + 123547331657.

It is an arithmetic number, because the mean of its divisors is an integer number (35210989117545).

Almost surely, 2^{351121512532133} is an apocalyptic number.

It is an amenable number.

351121512532133 is a deficient number, since it is larger than the sum of its proper divisors (71410356878407).

351121512532133 is a wasteful number, since it uses less digits than its factorization.

351121512532133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247094660516 (or 247094660509 counting only the distinct ones).

The product of its digits is 81000, while the sum is 38.

Adding to 351121512532133 its reverse (331235215121153), we get a palindrome (682356727653286).

The spelling of 351121512532133 in words is "three hundred fifty-one trillion, one hundred twenty-one billion, five hundred twelve million, five hundred thirty-two thousand, one hundred thirty-three".