2540242533101 has 32 divisors (see below), whose sum is σ = 3196653600000. Its totient is φ = 2005832687040.

The previous prime is 2540242533091. The next prime is 2540242533109. The reversal of 2540242533101 is 1013352420452.

It is not a de Polignac number, because 2540242533101 - 2²² = 2540238338797 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2540242533109) 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 31 ways as a sum of consecutive naturals, for example, 1654211 + ... + 2795871.

It is an arithmetic number, because the mean of its divisors is an integer number (99895425000).

Almost surely, 2^{2540242533101} is an apocalyptic number.

It is an amenable number.

2540242533101 is a deficient number, since it is larger than the sum of its proper divisors (656411066899).

2540242533101 is a wasteful number, since it uses less digits than its factorization.

2540242533101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1142194 (or 1142180 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 2540242533101 its reverse (1013352420452), we get a palindrome (3553594953553).

The spelling of 2540242533101 in words is "two trillion, five hundred forty billion, two hundred forty-two million, five hundred thirty-three thousand, one hundred one".