51023503345 has 8 divisors (see below), whose sum is σ = 61253740800. Its totient is φ = 40801778160.

The previous prime is 51023503327. The next prime is 51023503361. The reversal of 51023503345 is 54330532015.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 51023503345 - 2⁷ = 51023503217 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2114871 + ... + 2138860.

It is an arithmetic number, because the mean of its divisors is an integer number (7656717600).

Almost surely, 2^51023503345 is an apocalyptic number.

It is an amenable number.

51023503345 is a deficient number, since it is larger than the sum of its proper divisors (10230237455).

51023503345 is a wasteful number, since it uses less digits than its factorization.

51023503345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4256135.

The product of its (nonzero) digits is 27000, while the sum is 31.

The spelling of 51023503345 in words is "fifty-one billion, twenty-three million, five hundred three thousand, three hundred forty-five".