531141045121024 has 156 divisors (see below), whose sum is σ = 1215100138704424. Its totient is φ = 230721895268352.

The previous prime is 531141045120997. The next prime is 531141045121039. The reversal of 531141045121024 is 420121540141135.

It is a super-2 number, since 2×531141045121024² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1868862 + ... + 32646205.

Almost surely, 2^{531141045121024} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 531141045121024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (607550069352212).

531141045121024 is an abundant number, since it is smaller than the sum of its proper divisors (683959093583400).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

531141045121024 is a wasteful number, since it uses less digits than its factorization.

531141045121024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34515138 (or 34515099 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 34.

Adding to 531141045121024 its reverse (420121540141135), we get a palindrome (951262585262159).

The spelling of 531141045121024 in words is "five hundred thirty-one trillion, one hundred forty-one billion, forty-five million, one hundred twenty-one thousand, twenty-four".