51345060415919 has 2 divisors, whose sum is σ = 51345060415920. Its totient is φ = 51345060415918.

The previous prime is 51345060415867. The next prime is 51345060415931. The reversal of 51345060415919 is 91951406054315.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51345060415919 - 2³⁶ = 51276340939183 is a prime.

It is a super-2 number, since 2×51345060415919² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51345060415819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25672530207959 + 25672530207960.

It is an arithmetic number, because the mean of its divisors is an integer number (25672530207960).

Almost surely, 2^{51345060415919} is an apocalyptic number.

51345060415919 is a deficient number, since it is larger than the sum of its proper divisors (1).

51345060415919 is an equidigital number, since it uses as much as digits as its factorization.

51345060415919 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2916000, while the sum is 53.

The spelling of 51345060415919 in words is "fifty-one trillion, three hundred forty-five billion, sixty million, four hundred fifteen thousand, nine hundred nineteen".