52340220011521 has 8 divisors (see below), whose sum is σ = 59333042928320. Its totient is φ = 45771204544272.

The previous prime is 52340220011479. The next prime is 52340220011533. The reversal of 52340220011521 is 12511002204325.

It is a happy number.

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

It is not a de Polignac number, because 52340220011521 - 2⁷ = 52340220011393 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 52340220011521.

It is not an unprimeable number, because it can be changed into a prime (52340220011581) 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, 105951862125 + ... + 105951862618.

It is an arithmetic number, because the mean of its divisors is an integer number (7416630366040).

Almost surely, 2^{52340220011521} is an apocalyptic number.

It is an amenable number.

52340220011521 is a deficient number, since it is larger than the sum of its proper divisors (6992822916799).

52340220011521 is a wasteful number, since it uses less digits than its factorization.

52340220011521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211903724775.

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 52340220011521 its reverse (12511002204325), we get a palindrome (64851222215846).

The spelling of 52340220011521 in words is "fifty-two trillion, three hundred forty billion, two hundred twenty million, eleven thousand, five hundred twenty-one".