525330513078 has 32 divisors (see below), whose sum is σ = 1201630139136. Its totient is φ = 149985097248.

The previous prime is 525330513067. The next prime is 525330513131. The reversal of 525330513078 is 870315033525.

525330513078 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4497276 + ... + 4612607.

It is an arithmetic number, because the mean of its divisors is an integer number (37550941848).

Almost surely, 2^525330513078 is an apocalyptic number.

525330513078 is an abundant number, since it is smaller than the sum of its proper divisors (676299626058).

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

525330513078 is a wasteful number, since it uses less digits than its factorization.

525330513078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9111268.

The product of its (nonzero) digits is 378000, while the sum is 42.

The spelling of 525330513078 in words is "five hundred twenty-five billion, three hundred thirty million, five hundred thirteen thousand, seventy-eight".