2040540111525 has 48 divisors (see below), whose sum is σ = 3554338648640. Its totient is φ = 1030114713600.

The previous prime is 2040540111499. The next prime is 2040540111529. The reversal of 2040540111525 is 5251110450402.

It is not a de Polignac number, because 2040540111525 - 2²⁴ = 2040523334309 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2040540111492 and 2040540111501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2040540111529) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1022055 + ... + 2263995.

Almost surely, 2^{2040540111525} is an apocalyptic number.

2040540111525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2040540111525 is a deficient number, since it is larger than the sum of its proper divisors (1513798537115).

2040540111525 is a wasteful number, since it uses less digits than its factorization.

2040540111525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1243126 (or 1243121 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 30.

Adding to 2040540111525 its reverse (5251110450402), we get a palindrome (7291650561927).

The spelling of 2040540111525 in words is "two trillion, forty billion, five hundred forty million, one hundred eleven thousand, five hundred twenty-five".