5105255521540 has 12 divisors (see below), whose sum is σ = 10721036595276. Its totient is φ = 2042102208608.

The previous prime is 5105255521537. The next prime is 5105255521547. The reversal of 5105255521540 is 451255525015.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 743206064836 + 4362049456704 = 862094^2 + 2088552^2 .

It is a junction number, because it is equal to n+sod(n) for n = 5105255521493 and 5105255521502.

It is not an unprimeable number, because it can be changed into a prime (5105255521547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 127631388019 + ... + 127631388058.

It is an arithmetic number, because the mean of its divisors is an integer number (893419716273).

Almost surely, 2^{5105255521540} is an apocalyptic number.

It is an amenable number.

5105255521540 is an abundant number, since it is smaller than the sum of its proper divisors (5615781073736).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5105255521540 is a wasteful number, since it uses less digits than its factorization.

5105255521540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255262776086 (or 255262776084 counting only the distinct ones).

The product of its (nonzero) digits is 250000, while the sum is 40.

The spelling of 5105255521540 in words is "five trillion, one hundred five billion, two hundred fifty-five million, five hundred twenty-one thousand, five hundred forty".