25728482451 has 16 divisors (see below), whose sum is σ = 39464949248. Its totient is φ = 14604624000.

The previous prime is 25728482441. The next prime is 25728482459. The reversal of 25728482451 is 15428482752.

It is not a de Polignac number, because 25728482451 - 2⁵ = 25728482419 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 25728482451.

It is not an unprimeable number, because it can be changed into a prime (25728482459) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4053670 + ... + 4060011.

It is an arithmetic number, because the mean of its divisors is an integer number (2466559328).

Almost surely, 2^25728482451 is an apocalyptic number.

25728482451 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

25728482451 is a deficient number, since it is larger than the sum of its proper divisors (13736466797).

25728482451 is a wasteful number, since it uses less digits than its factorization.

25728482451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8113842.

The product of its digits is 1433600, while the sum is 48.

The spelling of 25728482451 in words is "twenty-five billion, seven hundred twenty-eight million, four hundred eighty-two thousand, four hundred fifty-one".