28741025551 has 4 divisors (see below), whose sum is σ = 32846886352. Its totient is φ = 24635164752.

The previous prime is 28741025491. The next prime is 28741025569. The reversal of 28741025551 is 15552014782.

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 28741025551 - 2¹⁹ = 28740501263 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28741025581) 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 3 ways as a sum of consecutive naturals, for example, 2052930390 + ... + 2052930403.

It is an arithmetic number, because the mean of its divisors is an integer number (8211721588).

Almost surely, 2^28741025551 is an apocalyptic number.

28741025551 is a deficient number, since it is larger than the sum of its proper divisors (4105860801).

28741025551 is an equidigital number, since it uses as much as digits as its factorization.

28741025551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4105860800.

The product of its (nonzero) digits is 112000, while the sum is 40.

The spelling of 28741025551 in words is "twenty-eight billion, seven hundred forty-one million, twenty-five thousand, five hundred fifty-one".