525654394746912 has 36 divisors (see below), whose sum is σ = 1494829685062350. Its totient is φ = 175218131582208.

The previous prime is 525654394746853. The next prime is 525654394746919. The reversal of 525654394746912 is 219647493456525.

525654394746912 is a `hidden beast` number, since 5 + 2 + 5 + 6 + 54 + 39 + 474 + 69 + 12 = 666.

It can be written as a sum of positive squares in only one way, i.e., 371744467016976 + 153909927729936 = 19280676^2 + 12406044^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a hoax number, since the sum of its digits (72) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is not an unprimeable number, because it can be changed into a prime (525654394746919) 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 5 ways as a sum of consecutive naturals, for example, 912594435037 + ... + 912594435612.

Almost surely, 2^{525654394746912} is an apocalyptic number.

It is an amenable number.

525654394746912 is an abundant number, since it is smaller than the sum of its proper divisors (969175290315438).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

525654394746912 is a wasteful number, since it uses less digits than its factorization.

525654394746912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1825188870665 (or 1825188870654 counting only the distinct ones).

The product of its digits is 1959552000, while the sum is 72.

The spelling of 525654394746912 in words is "five hundred twenty-five trillion, six hundred fifty-four billion, three hundred ninety-four million, seven hundred forty-six thousand, nine hundred twelve".