2455817378158 has 32 divisors (see below), whose sum is σ = 3964518280800. Its totient is φ = 1136838011904.

The previous prime is 2455817378111. The next prime is 2455817378171. The reversal of 2455817378158 is 8518737185542.

It is a super-3 number, since 3×2455817378158³ (a number of 38 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2455817378158.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1868535 + ... + 2898802.

It is an arithmetic number, because the mean of its divisors is an integer number (123891196275).

Almost surely, 2^{2455817378158} is an apocalyptic number.

2455817378158 is a deficient number, since it is larger than the sum of its proper divisors (1508700902642).

2455817378158 is a wasteful number, since it uses less digits than its factorization.

2455817378158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4767604.

The product of its digits is 75264000, while the sum is 64.

The spelling of 2455817378158 in words is "two trillion, four hundred fifty-five billion, eight hundred seventeen million, three hundred seventy-eight thousand, one hundred fifty-eight".