12557485219 has 8 divisors (see below), whose sum is σ = 12736895328. Its totient is φ = 12378145920.

The previous prime is 12557485201. The next prime is 12557485231. The reversal of 12557485219 is 91258475521.

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 12557485219 - 2³¹ = 10410001571 is a prime.

It is a super-2 number, since 2×12557485219² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12557455219) 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, 413979 + ... + 443275.

It is an arithmetic number, because the mean of its divisors is an integer number (1592111916).

Almost surely, 2^12557485219 is an apocalyptic number.

12557485219 is a deficient number, since it is larger than the sum of its proper divisors (179410109).

12557485219 is an equidigital number, since it uses as much as digits as its factorization.

12557485219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35405.

The product of its digits is 1008000, while the sum is 49.

The spelling of 12557485219 in words is "twelve billion, five hundred fifty-seven million, four hundred eighty-five thousand, two hundred nineteen".