51510161060407 has 24 divisors (see below), whose sum is σ = 60067343435040. Its totient is φ = 44043037758720.

The previous prime is 51510161060389. The next prime is 51510161060461. The reversal of 51510161060407 is 70406016101515.

It is not a de Polignac number, because 51510161060407 - 2¹¹ = 51510161058359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51510161060507) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 82970307 + ... + 83588827.

It is an arithmetic number, because the mean of its divisors is an integer number (2502805976460).

Almost surely, 2^{51510161060407} is an apocalyptic number.

51510161060407 is a deficient number, since it is larger than the sum of its proper divisors (8557182374633).

51510161060407 is a wasteful number, since it uses less digits than its factorization.

51510161060407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 622711 (or 622704 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 37.

The spelling of 51510161060407 in words is "fifty-one trillion, five hundred ten billion, one hundred sixty-one million, sixty thousand, four hundred seven".