2105311544132 has 24 divisors (see below), whose sum is σ = 3774833952792. Its totient is φ = 1026796780800.

The previous prime is 2105311544101. The next prime is 2105311544137. The reversal of 2105311544132 is 2314451135012.

It can be written as a sum of positive squares in 4 ways, for example, as 130432211716 + 1974879332416 = 361154^2 + 1405304^2 .

It is not an unprimeable number, because it can be changed into a prime (2105311544137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 234803 + ... + 2065370.

It is an arithmetic number, because the mean of its divisors is an integer number (157284748033).

Almost surely, 2^{2105311544132} is an apocalyptic number.

It is an amenable number.

2105311544132 is a deficient number, since it is larger than the sum of its proper divisors (1669522408660).

2105311544132 is a wasteful number, since it uses less digits than its factorization.

2105311544132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2305799 (or 2305797 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 32.

Adding to 2105311544132 its reverse (2314451135012), we get a palindrome (4419762679144).

The spelling of 2105311544132 in words is "two trillion, one hundred five billion, three hundred eleven million, five hundred forty-four thousand, one hundred thirty-two".