51103125356 has 6 divisors (see below), whose sum is σ = 89430469380. Its totient is φ = 25551562676.

The previous prime is 51103125347. The next prime is 51103125361. The reversal of 51103125356 is 65352130115.

It is a super-2 number, since 2×51103125356² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6387890666 + ... + 6387890673.

It is an arithmetic number, because the mean of its divisors is an integer number (14905078230).

Almost surely, 2^51103125356 is an apocalyptic number.

It is an amenable number.

51103125356 is a deficient number, since it is larger than the sum of its proper divisors (38327344024).

51103125356 is a wasteful number, since it uses less digits than its factorization.

51103125356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12775781343 (or 12775781341 counting only the distinct ones).

The product of its (nonzero) digits is 13500, while the sum is 32.

The spelling of 51103125356 in words is "fifty-one billion, one hundred three million, one hundred twenty-five thousand, three hundred fifty-six".