2540510514005 has 8 divisors (see below), whose sum is σ = 3070865264472. Its totient is φ = 2017573312768.

The previous prime is 2540510514001. The next prime is 2540510514007. The reversal of 2540510514005 is 5004150150452.

It can be written as a sum of positive squares in 4 ways, for example, as 221861724484 + 2318648789521 = 471022^2 + 1522711^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2540510514005 - 2² = 2540510514001 is a prime.

It is a super-2 number, since 2×2540510514005² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2540510514001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1854386552 + ... + 1854387921.

It is an arithmetic number, because the mean of its divisors is an integer number (383858158059).

Almost surely, 2^{2540510514005} is an apocalyptic number.

It is an amenable number.

2540510514005 is a deficient number, since it is larger than the sum of its proper divisors (530354750467).

2540510514005 is a wasteful number, since it uses less digits than its factorization.

2540510514005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3708774615.

The product of its (nonzero) digits is 20000, while the sum is 32.

Adding to 2540510514005 its reverse (5004150150452), we get a palindrome (7544660664457).

The spelling of 2540510514005 in words is "two trillion, five hundred forty billion, five hundred ten million, five hundred fourteen thousand, five".