1245841316155 has 4 divisors (see below), whose sum is σ = 1495009579392. Its totient is φ = 996673052920.

The previous prime is 1245841316147. The next prime is 1245841316221. The reversal of 1245841316155 is 5516131485421.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1245841316155 - 2³ = 1245841316147 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124584131611 + ... + 124584131620.

It is an arithmetic number, because the mean of its divisors is an integer number (373752394848).

Almost surely, 2^{1245841316155} is an apocalyptic number.

1245841316155 is a deficient number, since it is larger than the sum of its proper divisors (249168263237).

1245841316155 is an equidigital number, since it uses as much as digits as its factorization.

1245841316155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249168263236.

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

The spelling of 1245841316155 in words is "one trillion, two hundred forty-five billion, eight hundred forty-one million, three hundred sixteen thousand, one hundred fifty-five".