2543403525104 has 40 divisors (see below), whose sum is σ = 5339467075152. Its totient is φ = 1166676825600.

The previous prime is 2543403525083. The next prime is 2543403525109. The reversal of 2543403525104 is 4015253043452.

It is a super-2 number, since 2×2543403525104² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2543403525109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37474997 + ... + 37542804.

Almost surely, 2^{2543403525104} is an apocalyptic number.

It is an amenable number.

2543403525104 is an abundant number, since it is smaller than the sum of its proper divisors (2796063550048).

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

2543403525104 is a wasteful number, since it uses less digits than its factorization.

2543403525104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75017985 (or 75017979 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 38.

Adding to 2543403525104 its reverse (4015253043452), we get a palindrome (6558656568556).

The spelling of 2543403525104 in words is "two trillion, five hundred forty-three billion, four hundred three million, five hundred twenty-five thousand, one hundred four".