525634451665123 has 12 divisors (see below), whose sum is σ = 549472497224040. Its totient is φ = 502766049718016.

The previous prime is 525634451665087. The next prime is 525634451665139. The reversal of 525634451665123 is 321566154436525.

It is not a de Polignac number, because 525634451665123 - 2¹⁷ = 525634451534051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (525634451665163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2920523278 + ... + 2920703251.

It is an arithmetic number, because the mean of its divisors is an integer number (45789374768670).

Almost surely, 2^{525634451665123} is an apocalyptic number.

525634451665123 is a deficient number, since it is larger than the sum of its proper divisors (23838045558917).

525634451665123 is a wasteful number, since it uses less digits than its factorization.

525634451665123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5841226694 (or 5841226665 counting only the distinct ones).

The product of its digits is 77760000, while the sum is 58.

The spelling of 525634451665123 in words is "five hundred twenty-five trillion, six hundred thirty-four billion, four hundred fifty-one million, six hundred sixty-five thousand, one hundred twenty-three".