2532505539978 has 48 divisors (see below), whose sum is σ = 5776775016480. Its totient is φ = 799616027232.

The previous prime is 2532505539961. The next prime is 2532505540021. The reversal of 2532505539978 is 8799355052352.

2532505539978 is a `hidden beast` number, since 2 + 5 + 3 + 2 + 5 + 0 + 5 + 539 + 97 + 8 = 666.

2532505539978 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2532505539978² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1680400 + ... + 2808692.

It is an arithmetic number, because the mean of its divisors is an integer number (120349479510).

Almost surely, 2^{2532505539978} is an apocalyptic number.

2532505539978 is an abundant number, since it is smaller than the sum of its proper divisors (3244269476502).

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

2532505539978 is a wasteful number, since it uses less digits than its factorization.

2532505539978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1134883 (or 1134880 counting only the distinct ones).

The product of its (nonzero) digits is 102060000, while the sum is 63.

The spelling of 2532505539978 in words is "two trillion, five hundred thirty-two billion, five hundred five million, five hundred thirty-nine thousand, nine hundred seventy-eight".