525418601506140 has 96 divisors (see below), whose sum is σ = 1471442255325504. Its totient is φ = 140085899089920.

The previous prime is 525418601506087. The next prime is 525418601506189. The reversal of 525418601506140 is 41605106814525.

It is a self number, because there is not a number n which added to its sum of digits gives 525418601506140.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9549391830 + ... + 9549446850.

It is an arithmetic number, because the mean of its divisors is an integer number (15327523492974).

Almost surely, 2^{525418601506140} is an apocalyptic number.

It is an amenable number.

525418601506140 is an abundant number, since it is smaller than the sum of its proper divisors (946023653819364).

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

525418601506140 is a wasteful number, since it uses less digits than its factorization.

525418601506140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81367 (or 81365 counting only the distinct ones).

The product of its (nonzero) digits is 1152000, while the sum is 48.

The spelling of 525418601506140 in words is "five hundred twenty-five trillion, four hundred eighteen billion, six hundred one million, five hundred six thousand, one hundred forty".