51645416435041 has 12 divisors (see below), whose sum is σ = 61007710863600. Its totient is φ = 43338810992880.

The previous prime is 51645416434979. The next prime is 51645416435111. The reversal of 51645416435041 is 14053461454615.

It is not a de Polignac number, because 51645416435041 - 2⁹ = 51645416434529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51645416435741) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13890642691 + ... + 13890646408.

It is an arithmetic number, because the mean of its divisors is an integer number (5083975905300).

Almost surely, 2^{51645416435041} is an apocalyptic number.

It is an amenable number.

51645416435041 is a deficient number, since it is larger than the sum of its proper divisors (9362294428559).

51645416435041 is a wasteful number, since it uses less digits than its factorization.

51645416435041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27781289136 (or 27781289123 counting only the distinct ones).

The product of its (nonzero) digits is 3456000, while the sum is 49.

Adding to 51645416435041 its reverse (14053461454615), we get a palindrome (65698877889656).

The spelling of 51645416435041 in words is "fifty-one trillion, six hundred forty-five billion, four hundred sixteen million, four hundred thirty-five thousand, forty-one".