2545500940544 has 18 divisors (see below), whose sum is σ = 5081058518550. Its totient is φ = 1272750470144.

The previous prime is 2545500940501. The next prime is 2545500940561. The reversal of 2545500940544 is 4450490055452.

It can be written as a sum of positive squares in only one way, i.e., 2463292582144 + 82208358400 = 1569488^2 + 286720^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4971681269 + ... + 4971681780.

Almost surely, 2^{2545500940544} is an apocalyptic number.

It is an amenable number.

2545500940544 is a deficient number, since it is larger than the sum of its proper divisors (2535557578006).

2545500940544 is an frugal number, since it uses more digits than its factorization.

2545500940544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9943363065 (or 9943363051 counting only the distinct ones).

The product of its (nonzero) digits is 2880000, while the sum is 47.

Adding to 2545500940544 its reverse (4450490055452), we get a palindrome (6995990995996).

The spelling of 2545500940544 in words is "two trillion, five hundred forty-five billion, five hundred million, nine hundred forty thousand, five hundred forty-four".