51146455735715 has 16 divisors (see below), whose sum is σ = 61832711227680. Its totient is φ = 40613366753280.

The previous prime is 51146455735679. The next prime is 51146455735717. The reversal of 51146455735715 is 51753755464115.

It is a de Polignac number, because none of the positive numbers 2^k-51146455735715 is a prime.

It is a super-2 number, since 2×51146455735715² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51146455735717) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52331774 + ... + 53300163.

It is an arithmetic number, because the mean of its divisors is an integer number (3864544451730).

Almost surely, 2^{51146455735715} is an apocalyptic number.

51146455735715 is a deficient number, since it is larger than the sum of its proper divisors (10686255491965).

51146455735715 is a wasteful number, since it uses less digits than its factorization.

51146455735715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105632662.

The product of its digits is 44100000, while the sum is 59.

The spelling of 51146455735715 in words is "fifty-one trillion, one hundred forty-six billion, four hundred fifty-five million, seven hundred thirty-five thousand, seven hundred fifteen".