5125221512505 has 96 divisors (see below), whose sum is σ = 9327311136000. Its totient is φ = 2598475714560.

The previous prime is 5125221512447. The next prime is 5125221512531. The reversal of 5125221512505 is 5052151225215.

5125221512505 is a `hidden beast` number, since 5 + 1 + 2 + 522 + 1 + 5 + 125 + 0 + 5 = 666.

It is not a de Polignac number, because 5125221512505 - 2¹⁰ = 5125221511481 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5125221512505.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 124447477 + ... + 124488653.

It is an arithmetic number, because the mean of its divisors is an integer number (97159491000).

Almost surely, 2^{5125221512505} is an apocalyptic number.

It is an amenable number.

5125221512505 is a deficient number, since it is larger than the sum of its proper divisors (4202089623495).

5125221512505 is a wasteful number, since it uses less digits than its factorization.

5125221512505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41951 (or 41948 counting only the distinct ones).

The product of its (nonzero) digits is 50000, while the sum is 36.

The spelling of 5125221512505 in words is "five trillion, one hundred twenty-five billion, two hundred twenty-one million, five hundred twelve thousand, five hundred five".