525355454240105 has 8 divisors (see below), whose sum is σ = 630427250393352. Its totient is φ = 420283893188608.

The previous prime is 525355454240047. The next prime is 525355454240161. The reversal of 525355454240105 is 501042454553525.

It can be written as a sum of positive squares in 4 ways, for example, as 62213161051024 + 463142293189081 = 7887532^2 + 21520741^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 525355454240105 - 2⁶ = 525355454240041 is a prime.

It is a super-2 number, since 2×525355454240105² (a number of 30 digits) contains 22 as substring.

It is a Duffinian 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 7 ways as a sum of consecutive naturals, for example, 53821382 + ... + 62828751.

It is an arithmetic number, because the mean of its divisors is an integer number (78803406299169).

Almost surely, 2^{525355454240105} is an apocalyptic number.

It is an amenable number.

525355454240105 is a deficient number, since it is larger than the sum of its proper divisors (105071796153247).

525355454240105 is a wasteful number, since it uses less digits than its factorization.

525355454240105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117550875.

The product of its (nonzero) digits is 12000000, while the sum is 50.

The spelling of 525355454240105 in words is "five hundred twenty-five trillion, three hundred fifty-five billion, four hundred fifty-four million, two hundred forty thousand, one hundred five".