5251105012564 has 12 divisors (see below), whose sum is σ = 9189490115988. Its totient is φ = 2625536408000.

The previous prime is 5251105012561. The next prime is 5251105012619. The reversal of 5251105012564 is 4652105011525.

It can be written as a sum of positive squares in 2 ways, for example, as 3211658252100 + 2039446760464 = 1792110^2 + 1428092^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5251105012561) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3275137 + ... + 4607464.

It is an arithmetic number, because the mean of its divisors is an integer number (765790842999).

Almost surely, 2^{5251105012564} is an apocalyptic number.

It is an amenable number.

5251105012564 is a deficient number, since it is larger than the sum of its proper divisors (3938385103424).

5251105012564 is a wasteful number, since it uses less digits than its factorization.

5251105012564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8049146 (or 8049144 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 37.

The spelling of 5251105012564 in words is "five trillion, two hundred fifty-one billion, one hundred five million, twelve thousand, five hundred sixty-four".