2513805125140 has 24 divisors (see below), whose sum is σ = 5378594364360. Its totient is φ = 986549935488.

The previous prime is 2513805125131. The next prime is 2513805125173. The reversal of 2513805125140 is 415215083152.

It can be written as a sum of positive squares in 4 ways, for example, as 932483785104 + 1581321340036 = 965652^2 + 1257506^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2513805125140.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1185756075 + ... + 1185758194.

It is an arithmetic number, because the mean of its divisors is an integer number (224108098515).

Almost surely, 2^{2513805125140} is an apocalyptic number.

2513805125140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2513805125140 is an abundant number, since it is smaller than the sum of its proper divisors (2864789239220).

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

2513805125140 is a wasteful number, since it uses less digits than its factorization.

2513805125140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2371514331 (or 2371514329 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 37.

The spelling of 2513805125140 in words is "two trillion, five hundred thirteen billion, eight hundred five million, one hundred twenty-five thousand, one hundred forty".