2521552655140 has 12 divisors (see below), whose sum is σ = 5295260575836. Its totient is φ = 1008621062048.

The previous prime is 2521552655101. The next prime is 2521552655143. The reversal of 2521552655140 is 415562551252.

It can be written as a sum of positive squares in 2 ways, for example, as 1563460147456 + 958092507684 = 1250384^2 + 978822^2 .

It is not an unprimeable number, because it can be changed into a prime (2521552655143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63038816359 + ... + 63038816398.

It is an arithmetic number, because the mean of its divisors is an integer number (441271714653).

Almost surely, 2^{2521552655140} is an apocalyptic number.

2521552655140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2521552655140 is an abundant number, since it is smaller than the sum of its proper divisors (2773707920696).

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

2521552655140 is a wasteful number, since it uses less digits than its factorization.

2521552655140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126077632766 (or 126077632764 counting only the distinct ones).

The product of its (nonzero) digits is 600000, while the sum is 43.

The spelling of 2521552655140 in words is "two trillion, five hundred twenty-one billion, five hundred fifty-two million, six hundred fifty-five thousand, one hundred forty".