2552521121540 has 24 divisors (see below), whose sum is σ = 5772624690840. Its totient is φ = 942469337088.

The previous prime is 2552521121473. The next prime is 2552521121599. The reversal of 2552521121540 is 451211252552.

It can be written as a sum of positive squares in 4 ways, for example, as 126895538176 + 2425625583364 = 356224^2 + 1557442^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2552521121540.

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, 4908694205 + ... + 4908694724.

It is an arithmetic number, because the mean of its divisors is an integer number (240526028785).

Almost surely, 2^{2552521121540} is an apocalyptic number.

2552521121540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2552521121540 is an abundant number, since it is smaller than the sum of its proper divisors (3220103569300).

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

2552521121540 is a wasteful number, since it uses less digits than its factorization.

2552521121540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9817388951 (or 9817388949 counting only the distinct ones).

The product of its (nonzero) digits is 40000, while the sum is 35.

The spelling of 2552521121540 in words is "two trillion, five hundred fifty-two billion, five hundred twenty-one million, one hundred twenty-one thousand, five hundred forty".