2158289132855 has 16 divisors (see below), whose sum is σ = 2620360056960. Its totient is φ = 1706375354112.

The previous prime is 2158289132851. The next prime is 2158289132927. The reversal of 2158289132855 is 5582319828512.

It is a cyclic number.

It is not a de Polignac number, because 2158289132855 - 2² = 2158289132851 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2158289132794 and 2158289132803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2158289132851) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 325679 + ... + 2103008.

It is an arithmetic number, because the mean of its divisors is an integer number (163772503560).

Almost surely, 2^{2158289132855} is an apocalyptic number.

2158289132855 is a deficient number, since it is larger than the sum of its proper divisors (462070924105).

2158289132855 is a wasteful number, since it uses less digits than its factorization.

2158289132855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2430778.

The product of its digits is 13824000, while the sum is 59.

The spelling of 2158289132855 in words is "two trillion, one hundred fifty-eight billion, two hundred eighty-nine million, one hundred thirty-two thousand, eight hundred fifty-five".