5135364443521 has 16 divisors (see below), whose sum is σ = 5584070983680. Its totient is φ = 4694496364800.

The previous prime is 5135364443519. The next prime is 5135364443543. The reversal of 5135364443521 is 1253444635315.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 5135364443521 - 2¹ = 5135364443519 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5135364443581) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2818945 + ... + 4268158.

It is an arithmetic number, because the mean of its divisors is an integer number (349004436480).

Almost surely, 2^{5135364443521} is an apocalyptic number.

It is an amenable number.

5135364443521 is a deficient number, since it is larger than the sum of its proper divisors (448706540159).

5135364443521 is a wasteful number, since it uses less digits than its factorization.

5135364443521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7087656.

The product of its digits is 2592000, while the sum is 46.

The spelling of 5135364443521 in words is "five trillion, one hundred thirty-five billion, three hundred sixty-four million, four hundred forty-three thousand, five hundred twenty-one".