525528778016 has 48 divisors (see below), whose sum is σ = 1147822915680. Its totient is φ = 234827950080.

The previous prime is 525528778003. The next prime is 525528778097. The reversal of 525528778016 is 610877825525.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12631601 + ... + 12673136.

It is an arithmetic number, because the mean of its divisors is an integer number (23912977410).

Almost surely, 2^525528778016 is an apocalyptic number.

It is an amenable number.

525528778016 is an abundant number, since it is smaller than the sum of its proper divisors (622294137664).

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

525528778016 is a wasteful number, since it uses less digits than its factorization.

525528778016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25304817 (or 25304809 counting only the distinct ones).

The product of its (nonzero) digits is 9408000, while the sum is 56.

The spelling of 525528778016 in words is "five hundred twenty-five billion, five hundred twenty-eight million, seven hundred seventy-eight thousand, sixteen".