5158231240521 has 16 divisors (see below), whose sum is σ = 6980271899328. Its totient is φ = 3387860827200.

The previous prime is 5158231240517. The next prime is 5158231240531. The reversal of 5158231240521 is 1250421328515.

It is not a de Polignac number, because 5158231240521 - 2² = 5158231240517 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5158231240521.

It is not an unprimeable number, because it can be changed into a prime (5158231240531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44332110 + ... + 44448311.

It is an arithmetic number, because the mean of its divisors is an integer number (436266993708).

Almost surely, 2^{5158231240521} is an apocalyptic number.

It is an amenable number.

5158231240521 is a deficient number, since it is larger than the sum of its proper divisors (1822040658807).

5158231240521 is a wasteful number, since it uses less digits than its factorization.

5158231240521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88780712.

The product of its (nonzero) digits is 96000, while the sum is 39.

The spelling of 5158231240521 in words is "five trillion, one hundred fifty-eight billion, two hundred thirty-one million, two hundred forty thousand, five hundred twenty-one".