28581054813745 has 32 divisors (see below), whose sum is σ = 40047683351040. Its totient is φ = 19175093583360.

The previous prime is 28581054813673. The next prime is 28581054813833. The reversal of 28581054813745 is 54731845018582.

It is not a de Polignac number, because 28581054813745 - 2¹¹ = 28581054811697 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20793076 + ... + 22124965.

It is an arithmetic number, because the mean of its divisors is an integer number (1251490104720).

Almost surely, 2^{28581054813745} is an apocalyptic number.

It is an amenable number.

28581054813745 is a deficient number, since it is larger than the sum of its proper divisors (11466628537295).

28581054813745 is a wasteful number, since it uses less digits than its factorization.

28581054813745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42918465.

The product of its (nonzero) digits is 43008000, while the sum is 61.

The spelling of 28581054813745 in words is "twenty-eight trillion, five hundred eighty-one billion, fifty-four million, eight hundred thirteen thousand, seven hundred forty-five".