521470111682199 has 8 divisors (see below), whose sum is σ = 695549198871040. Its totient is φ = 347518882807416.

The previous prime is 521470111682161. The next prime is 521470111682207. The reversal of 521470111682199 is 991286111074125.

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 521470111682199 - 2¹³ = 521470111674007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (521470111602199) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31964568997 + ... + 31964585310.

It is an arithmetic number, because the mean of its divisors is an integer number (86943649858880).

Almost surely, 2^{521470111682199} is an apocalyptic number.

521470111682199 is a deficient number, since it is larger than the sum of its proper divisors (174079087188841).

521470111682199 is a wasteful number, since it uses less digits than its factorization.

521470111682199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63929157029.

The product of its (nonzero) digits is 2177280, while the sum is 57.

The spelling of 521470111682199 in words is "five hundred twenty-one trillion, four hundred seventy billion, one hundred eleven million, six hundred eighty-two thousand, one hundred ninety-nine".