525123137164066 has 12 divisors (see below), whose sum is σ = 916286290357878. Its totient is φ = 225052773070272.

The previous prime is 525123137163973. The next prime is 525123137164177. The reversal of 525123137164066 is 660461731321525.

It can be written as a sum of positive squares in only one way, i.e., 424400335758441 + 100722801405625 = 20600979^2 + 10036075^2 .

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 2679199679311 + ... + 2679199679506.

Almost surely, 2^{525123137164066} is an apocalyptic number.

525123137164066 is a deficient number, since it is larger than the sum of its proper divisors (391163153193812).

525123137164066 is a wasteful number, since it uses less digits than its factorization.

525123137164066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5358399358833 (or 5358399358826 counting only the distinct ones).

The product of its (nonzero) digits is 5443200, while the sum is 52.

The spelling of 525123137164066 in words is "five hundred twenty-five trillion, one hundred twenty-three billion, one hundred thirty-seven million, one hundred sixty-four thousand, sixty-six".