801311115 has 32 divisors (see below), whose sum is σ = 1400115456. Its totient is φ = 388108160.

The previous prime is 801311107. The next prime is 801311117. The reversal of 801311115 is 511113108.

It is a happy number.

801311115 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 801311115 - 2³ = 801311107 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 801311091 and 801311100.

It is not an unprimeable number, because it can be changed into a prime (801311117) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 208804 + ... + 212606.

It is an arithmetic number, because the mean of its divisors is an integer number (43753608).

Almost surely, 2^801311115 is an apocalyptic number.

801311115 is a deficient number, since it is larger than the sum of its proper divisors (598804341).

801311115 is a wasteful number, since it uses less digits than its factorization.

801311115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5099.

The product of its (nonzero) digits is 120, while the sum is 21.

The square root of 801311115 is about 28307.4392165734. The cubic root of 801311115 is about 928.8246279880.

The spelling of 801311115 in words is "eight hundred one million, three hundred eleven thousand, one hundred fifteen".