2558171989580 has 12 divisors (see below), whose sum is σ = 5372161178160. Its totient is φ = 1023268795824.

The previous prime is 2558171989547. The next prime is 2558171989631. The reversal of 2558171989580 is 859891718552.

It is a self number, because there is not a number n which added to its sum of digits gives 2558171989580.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63954299720 + ... + 63954299759.

It is an arithmetic number, because the mean of its divisors is an integer number (447680098180).

Almost surely, 2^{2558171989580} is an apocalyptic number.

2558171989580 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2558171989580 is an abundant number, since it is smaller than the sum of its proper divisors (2813989188580).

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

2558171989580 is a wasteful number, since it uses less digits than its factorization.

2558171989580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127908599488 (or 127908599486 counting only the distinct ones).

The product of its (nonzero) digits is 72576000, while the sum is 68.

The spelling of 2558171989580 in words is "two trillion, five hundred fifty-eight billion, one hundred seventy-one million, nine hundred eighty-nine thousand, five hundred eighty".