2131043105553 has 8 divisors (see below), whose sum is σ = 2858405124288. Its totient is φ = 1412188245264.

The previous prime is 2131043105539. The next prime is 2131043105561. The reversal of 2131043105553 is 3555013401312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2131043105553 - 2¹⁷ = 2131042974481 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2131043505553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2126789026 + ... + 2126790027.

It is an arithmetic number, because the mean of its divisors is an integer number (357300640536).

Almost surely, 2^{2131043105553} is an apocalyptic number.

It is an amenable number.

2131043105553 is a deficient number, since it is larger than the sum of its proper divisors (727362018735).

2131043105553 is a wasteful number, since it uses less digits than its factorization.

2131043105553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4253579223.

The product of its (nonzero) digits is 27000, while the sum is 33.

Adding to 2131043105553 its reverse (3555013401312), we get a palindrome (5686056506865).

The spelling of 2131043105553 in words is "two trillion, one hundred thirty-one billion, forty-three million, one hundred five thousand, five hundred fifty-three".