2581078770652 has 24 divisors (see below), whose sum is σ = 4592924471520. Its totient is φ = 1268832970560.

The previous prime is 2581078770631. The next prime is 2581078770659. The reversal of 2581078770652 is 2560778701852.

It is a hoax number, since the sum of its digits (58) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2581078770659) by changing a digit.

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, 1727248 + ... + 2854039.

It is an arithmetic number, because the mean of its divisors is an integer number (191371852980).

Almost surely, 2^{2581078770652} is an apocalyptic number.

It is an amenable number.

2581078770652 is a deficient number, since it is larger than the sum of its proper divisors (2011845700868).

2581078770652 is a wasteful number, since it uses less digits than its factorization.

2581078770652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4583661 (or 4583659 counting only the distinct ones).

The product of its (nonzero) digits is 13171200, while the sum is 58.

The spelling of 2581078770652 in words is "two trillion, five hundred eighty-one billion, seventy-eight million, seven hundred seventy thousand, six hundred fifty-two".