28575714381451 has 4 divisors (see below), whose sum is σ = 28604035209400. Its totient is φ = 28547393553504.

The previous prime is 28575714381419. The next prime is 28575714381469. The reversal of 28575714381451 is 15418341757582.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 28575714381451 - 2⁵ = 28575714381419 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 28575714381451.

It is not an unprimeable number, because it can be changed into a prime (28575714381251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14160412461 + ... + 14160414478.

It is an arithmetic number, because the mean of its divisors is an integer number (7151008802350).

Almost surely, 2^{28575714381451} is an apocalyptic number.

28575714381451 is a deficient number, since it is larger than the sum of its proper divisors (28320827949).

28575714381451 is a wasteful number, since it uses less digits than its factorization.

28575714381451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28320827948.

The product of its digits is 37632000, while the sum is 61.

The spelling of 28575714381451 in words is "twenty-eight trillion, five hundred seventy-five billion, seven hundred fourteen million, three hundred eighty-one thousand, four hundred fifty-one".