11315251311 has 32 divisors (see below), whose sum is σ = 19070489088. Its totient is φ = 5807168640.

The previous prime is 11315251301. The next prime is 11315251313.

11315251311 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 11315251311 - 2⁷ = 11315251183 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11315251313) 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, 550005 + ... + 570206.

It is an arithmetic number, because the mean of its divisors is an integer number (595952784).

Almost surely, 2^11315251311 is an apocalyptic number.

11315251311 is a deficient number, since it is larger than the sum of its proper divisors (7755237777).

11315251311 is a wasteful number, since it uses less digits than its factorization.

11315251311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1120271.

The product of its digits is 450, while the sum is 24.

The spelling of 11315251311 in words is "eleven billion, three hundred fifteen million, two hundred fifty-one thousand, three hundred eleven".