43121013141325 has 12 divisors (see below), whose sum is σ = 61108635766240. Its totient is φ = 29568694725360.

The previous prime is 43121013141319. The next prime is 43121013141331. The reversal of 43121013141325 is 52314131012134.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (43121013141319) and next prime (43121013141331).

It is not a de Polignac number, because 43121013141325 - 2⁵ = 43121013141293 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 123202894515 + ... + 123202894864.

Almost surely, 2^{43121013141325} is an apocalyptic number.

It is an amenable number.

43121013141325 is a deficient number, since it is larger than the sum of its proper divisors (17987622624915).

43121013141325 is a wasteful number, since it uses less digits than its factorization.

43121013141325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246405789396 (or 246405789391 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

Adding to 43121013141325 its reverse (52314131012134), we get a palindrome (95435144153459).

The spelling of 43121013141325 in words is "forty-three trillion, one hundred twenty-one billion, thirteen million, one hundred forty-one thousand, three hundred twenty-five".