2600120561115 has 128 divisors (see below), whose sum is σ = 5502715822080. Its totient is φ = 1015635801600.

The previous prime is 2600120561111. The next prime is 2600120561119. The reversal of 2600120561115 is 5111650210062.

It is an interprime number because it is at equal distance from previous prime (2600120561111) and next prime (2600120561119).

It is not a de Polignac number, because 2600120561115 - 2² = 2600120561111 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2600120561111) 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 127 ways as a sum of consecutive naturals, for example, 2320545 + ... + 3253485.

It is an arithmetic number, because the mean of its divisors is an integer number (42989967360).

Almost surely, 2^{2600120561115} is an apocalyptic number.

2600120561115 is an abundant number, since it is smaller than the sum of its proper divisors (2902595260965).

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

2600120561115 is a wasteful number, since it uses less digits than its factorization.

2600120561115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 933113.

The product of its (nonzero) digits is 3600, while the sum is 30.

Adding to 2600120561115 its reverse (5111650210062), we get a palindrome (7711770771177).

The spelling of 2600120561115 in words is "two trillion, six hundred billion, one hundred twenty million, five hundred sixty-one thousand, one hundred fifteen".