51145445011471 has 2 divisors, whose sum is σ = 51145445011472. Its totient is φ = 51145445011470.

The previous prime is 51145445011429. The next prime is 51145445011513. The reversal of 51145445011471 is 17411054454115.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (51145445011429) and next prime (51145445011513).

It is a cyclic number.

It is not a de Polignac number, because 51145445011471 - 2⁷ = 51145445011343 is a prime.

It is a super-3 number, since 3×51145445011471³ (a number of 42 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51145445011411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25572722505735 + 25572722505736.

It is an arithmetic number, because the mean of its divisors is an integer number (25572722505736).

Almost surely, 2^{51145445011471} is an apocalyptic number.

51145445011471 is a deficient number, since it is larger than the sum of its proper divisors (1).

51145445011471 is an equidigital number, since it uses as much as digits as its factorization.

51145445011471 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 224000, while the sum is 43.

Adding to 51145445011471 its reverse (17411054454115), we get a palindrome (68556499465586).

The spelling of 51145445011471 in words is "fifty-one trillion, one hundred forty-five billion, four hundred forty-five million, eleven thousand, four hundred seventy-one".