525431145104016 has 80 divisors (see below), whose sum is σ = 1394054832798144. Its totient is φ = 170409424707072.

The previous prime is 525431145103961. The next prime is 525431145104017. The reversal of 525431145104016 is 610401541134525.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (525431145104017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 649634935 + ... + 650443241.

Almost surely, 2^{525431145104016} is an apocalyptic number.

It is an amenable number.

525431145104016 is an abundant number, since it is smaller than the sum of its proper divisors (868623687694128).

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

525431145104016 is a wasteful number, since it uses less digits than its factorization.

525431145104016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1174368 (or 1174362 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 42.

The spelling of 525431145104016 in words is "five hundred twenty-five trillion, four hundred thirty-one billion, one hundred forty-five million, one hundred four thousand, sixteen".