525773721121 has 8 divisors (see below), whose sum is σ = 573584959584. Its totient is φ = 477964753920.

The previous prime is 525773721103. The next prime is 525773721173. The reversal of 525773721121 is 121127377525.

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 525773721121 - 2¹⁹ = 525773196833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (525773721181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64375 + ... + 1027468.

It is an arithmetic number, because the mean of its divisors is an integer number (71698119948).

Almost surely, 2^525773721121 is an apocalyptic number.

It is an amenable number.

525773721121 is a deficient number, since it is larger than the sum of its proper divisors (47811238463).

525773721121 is a wasteful number, since it uses less digits than its factorization.

525773721121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1135631.

The product of its digits is 205800, while the sum is 43.

The spelling of 525773721121 in words is "five hundred twenty-five billion, seven hundred seventy-three million, seven hundred twenty-one thousand, one hundred twenty-one".