842311155 has 64 divisors (see below), whose sum is σ = 1642291200. Its totient is φ = 359860224.

The previous prime is 842311109. The next prime is 842311159. The reversal of 842311155 is 551113248.

It is not a de Polignac number, because 842311155 - 2⁷ = 842311027 is a prime.

It is not an unprimeable number, because it can be changed into a prime (842311159) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 264382 + ... + 267548.

It is an arithmetic number, because the mean of its divisors is an integer number (25660800).

Almost surely, 2^842311155 is an apocalyptic number.

842311155 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

842311155 is a deficient number, since it is larger than the sum of its proper divisors (799980045).

842311155 is a wasteful number, since it uses less digits than its factorization.

842311155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3348.

The product of its digits is 4800, while the sum is 30.

The square root of 842311155 is about 29022.5973165739. The cubic root of 842311155 is about 944.4033466648.

The spelling of 842311155 in words is "eight hundred forty-two million, three hundred eleven thousand, one hundred fifty-five".