2525315243540 has 24 divisors (see below), whose sum is σ = 5303646822600. Its totient is φ = 1010033752448.

The previous prime is 2525315243537. The next prime is 2525315243569. The reversal of 2525315243540 is 453425135252.

It can be written as a sum of positive squares in 4 ways, for example, as 291025723024 + 2234289520516 = 539468^2 + 1494754^2 .

It is a congruent number.

It is an unprimeable number.

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, 5547107 + ... + 5985066.

It is an arithmetic number, because the mean of its divisors is an integer number (220985284275).

Almost surely, 2^{2525315243540} is an apocalyptic number.

2525315243540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2525315243540 is an abundant number, since it is smaller than the sum of its proper divisors (2778331579060).

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

2525315243540 is a wasteful number, since it uses less digits than its factorization.

2525315243540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11543131 (or 11543129 counting only the distinct ones).

The product of its (nonzero) digits is 720000, while the sum is 41.

The spelling of 2525315243540 in words is "two trillion, five hundred twenty-five billion, three hundred fifteen million, two hundred forty-three thousand, five hundred forty".