125349938233321 has 2 divisors, whose sum is σ = 125349938233322. Its totient is φ = 125349938233320.

The previous prime is 125349938233319. The next prime is 125349938233379. The reversal of 125349938233321 is 123332839943521.

It is a happy number.

It is an a-pointer prime, because the next prime (125349938233379) can be obtained adding 125349938233321 to its sum of digits (58).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 96395853423321 + 28954084810000 = 9818139^2 + 5380900^2 .

It is a cyclic number.

It is not a de Polignac number, because 125349938233321 - 2¹ = 125349938233319 is a prime.

Together with 125349938233319, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (125349938233301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62674969116660 + 62674969116661.

It is an arithmetic number, because the mean of its divisors is an integer number (62674969116661).

Almost surely, 2^{125349938233321} is an apocalyptic number.

It is an amenable number.

125349938233321 is a deficient number, since it is larger than the sum of its proper divisors (1).

125349938233321 is an equidigital number, since it uses as much as digits as its factorization.

125349938233321 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25194240, while the sum is 58.

The spelling of 125349938233321 in words is "one hundred twenty-five trillion, three hundred forty-nine billion, nine hundred thirty-eight million, two hundred thirty-three thousand, three hundred twenty-one".