51534140225 has 12 divisors (see below), whose sum is σ = 63915909120. Its totient is φ = 41218554000.

The previous prime is 51534140213. The next prime is 51534140233. The reversal of 51534140225 is 52204143515.

It is not a de Polignac number, because 51534140225 - 2¹⁴ = 51534123841 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51534140191 and 51534140200.

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, 97601 + ... + 335550.

It is an arithmetic number, because the mean of its divisors is an integer number (5326325760).

Almost surely, 2^51534140225 is an apocalyptic number.

It is an amenable number.

51534140225 is a deficient number, since it is larger than the sum of its proper divisors (12381768895).

51534140225 is a wasteful number, since it uses less digits than its factorization.

51534140225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437920 (or 437915 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 32.

The spelling of 51534140225 in words is "fifty-one billion, five hundred thirty-four million, one hundred forty thousand, two hundred twenty-five".