2011401305 has 16 divisors (see below), whose sum is σ = 2453307264. Its totient is φ = 1582775040.

The previous prime is 2011401299. The next prime is 2011401311. The reversal of 2011401305 is 5031041102.

It is an interprime number because it is at equal distance from previous prime (2011401299) and next prime (2011401311).

It is not a de Polignac number, because 2011401305 - 2²² = 2007207001 is a prime.

It is a Duffinian 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, 244865 + ... + 252945.

It is an arithmetic number, because the mean of its divisors is an integer number (153331704).

Almost surely, 2^2011401305 is an apocalyptic number.

It is an amenable number.

2011401305 is a deficient number, since it is larger than the sum of its proper divisors (441905959).

2011401305 is an equidigital number, since it uses as much as digits as its factorization.

2011401305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8896.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 2011401305 is about 44848.6488648209. The cubic root of 2011401305 is about 1262.3106389195.

Adding to 2011401305 its reverse (5031041102), we get a palindrome (7042442407).

The spelling of 2011401305 in words is "two billion, eleven million, four hundred one thousand, three hundred five".