51317192703 has 48 divisors (see below), whose sum is σ = 82244714496. Its totient is φ = 28349455680.

The previous prime is 51317192699. The next prime is 51317192711. The reversal of 51317192703 is 30729171315.

It is not a de Polignac number, because 51317192703 - 2² = 51317192699 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51317192903) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4975650 + ... + 4985952.

It is an arithmetic number, because the mean of its divisors is an integer number (1713431552).

Almost surely, 2^51317192703 is an apocalyptic number.

51317192703 is a deficient number, since it is larger than the sum of its proper divisors (30927521793).

51317192703 is a wasteful number, since it uses less digits than its factorization.

51317192703 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11444 (or 11437 counting only the distinct ones).

The product of its (nonzero) digits is 39690, while the sum is 39.

The spelling of 51317192703 in words is "fifty-one billion, three hundred seventeen million, one hundred ninety-two thousand, seven hundred three".