11320400402311 has 48 divisors (see below), whose sum is σ = 15471632056608. Its totient is φ = 8142127257600.

The previous prime is 11320400402287. The next prime is 11320400402317.

11320400402311 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 11320400402311 - 2⁵ = 11320400402279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11320400402317) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 218038891 + ... + 218090803.

It is an arithmetic number, because the mean of its divisors is an integer number (322325667846).

Almost surely, 2^{11320400402311} is an apocalyptic number.

11320400402311 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11320400402311 is a deficient number, since it is larger than the sum of its proper divisors (4151231654297).

11320400402311 is a wasteful number, since it uses less digits than its factorization.

11320400402311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83072 (or 83065 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

It can be divided in two parts, 11320400 and 402311, that added together give a palindrome (11722711).

The spelling of 11320400402311 in words is "eleven trillion, three hundred twenty billion, four hundred million, four hundred two thousand, three hundred eleven".