12516484458 has 16 divisors (see below), whose sum is σ = 25126031520. Its totient is φ = 4156651056.

The previous prime is 12516484451. The next prime is 12516484499. The reversal of 12516484458 is 85448461521.

It is not an unprimeable number, because it can be changed into a prime (12516484451) 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, 3875860 + ... + 3879087.

It is an arithmetic number, because the mean of its divisors is an integer number (1570376970).

Almost surely, 2^12516484458 is an apocalyptic number.

12516484458 is an abundant number, since it is smaller than the sum of its proper divisors (12609547062).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12516484458 is a wasteful number, since it uses less digits than its factorization.

12516484458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7755221.

The product of its digits is 1228800, while the sum is 48.

The spelling of 12516484458 in words is "twelve billion, five hundred sixteen million, four hundred eighty-four thousand, four hundred fifty-eight".