51342351221125 has 32 divisors (see below), whose sum is σ = 67926824709120. Its totient is φ = 38610797241600.

The previous prime is 51342351221003. The next prime is 51342351221197. The reversal of 51342351221125 is 52112215324315.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-51342351221125 is a prime.

It is a super-3 number, since 3×51342351221125³ (a number of 42 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12929805 + ... + 16427554.

It is an arithmetic number, because the mean of its divisors is an integer number (2122713272160).

Almost surely, 2^{51342351221125} is an apocalyptic number.

It is an amenable number.

51342351221125 is a deficient number, since it is larger than the sum of its proper divisors (16584473487995).

51342351221125 is a wasteful number, since it uses less digits than its factorization.

51342351221125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29358214 (or 29358204 counting only the distinct ones).

The product of its digits is 72000, while the sum is 37.

The spelling of 51342351221125 in words is "fifty-one trillion, three hundred forty-two billion, three hundred fifty-one million, two hundred twenty-one thousand, one hundred twenty-five".