12501316484155 has 8 divisors (see below), whose sum is σ = 15005437243200. Its totient is φ = 9998481545856.

The previous prime is 12501316484149. The next prime is 12501316484201. The reversal of 12501316484155 is 55148461310521.

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 12501316484155 - 2²⁹ = 12500779613243 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 321433795 + ... + 321472684.

It is an arithmetic number, because the mean of its divisors is an integer number (1875679655400).

Almost surely, 2^{12501316484155} is an apocalyptic number.

12501316484155 is a deficient number, since it is larger than the sum of its proper divisors (2504120759045).

12501316484155 is an equidigital number, since it uses as much as digits as its factorization.

12501316484155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 642910373.

The product of its (nonzero) digits is 576000, while the sum is 46.

Adding to 12501316484155 its reverse (55148461310521), we get a palindrome (67649777794676).

The spelling of 12501316484155 in words is "twelve trillion, five hundred one billion, three hundred sixteen million, four hundred eighty-four thousand, one hundred fifty-five".