531011101053 has 16 divisors (see below), whose sum is σ = 754712652800. Its totient is φ = 331130170800.

The previous prime is 531011101031. The next prime is 531011101073. The reversal of 531011101053 is 350101110135.

It is not a de Polignac number, because 531011101053 - 2⁵ = 531011101021 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531011101003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58957423 + ... + 58966428.

It is an arithmetic number, because the mean of its divisors is an integer number (47169540800).

Almost surely, 2^531011101053 is an apocalyptic number.

It is an amenable number.

531011101053 is a deficient number, since it is larger than the sum of its proper divisors (223701551747).

531011101053 is a wasteful number, since it uses less digits than its factorization.

531011101053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117923952.

The product of its (nonzero) digits is 225, while the sum is 21.

Adding to 531011101053 its reverse (350101110135), we get a palindrome (881112211188).

The spelling of 531011101053 in words is "five hundred thirty-one billion, eleven million, one hundred one thousand, fifty-three".