5251145523213 has 8 divisors (see below), whose sum is σ = 7069503358528. Its totient is φ = 3466775685024.

The previous prime is 5251145523209. The next prime is 5251145523271. The reversal of 5251145523213 is 3123255411525.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5251145523213 - 2² = 5251145523209 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 (5251145521213) 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 7 ways as a sum of consecutive naturals, for example, 8496998920 + ... + 8496999537.

It is an arithmetic number, because the mean of its divisors is an integer number (883687919816).

Almost surely, 2^{5251145523213} is an apocalyptic number.

It is an amenable number.

5251145523213 is a deficient number, since it is larger than the sum of its proper divisors (1818357835315).

5251145523213 is a wasteful number, since it uses less digits than its factorization.

5251145523213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16993998563.

The product of its digits is 180000, while the sum is 39.

The spelling of 5251145523213 in words is "five trillion, two hundred fifty-one billion, one hundred forty-five million, five hundred twenty-three thousand, two hundred thirteen".