2158344157255 has 128 divisors (see below), whose sum is σ = 3351410899200. Its totient is φ = 1309387161600.

The previous prime is 2158344157247. The next prime is 2158344157279. The reversal of 2158344157255 is 5527514438512.

It is not a de Polignac number, because 2158344157255 - 2³ = 2158344157247 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 63784681 + ... + 63818509.

It is an arithmetic number, because the mean of its divisors is an integer number (26182897650).

Almost surely, 2^{2158344157255} is an apocalyptic number.

2158344157255 is a deficient number, since it is larger than the sum of its proper divisors (1193066741945).

2158344157255 is a wasteful number, since it uses less digits than its factorization.

2158344157255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34085.

The product of its digits is 6720000, while the sum is 52.

The spelling of 2158344157255 in words is "two trillion, one hundred fifty-eight billion, three hundred forty-four million, one hundred fifty-seven thousand, two hundred fifty-five".