28551453155 has 8 divisors (see below), whose sum is σ = 34600969584. Its totient is φ = 22615012000.

The previous prime is 28551453089. The next prime is 28551453163. The reversal of 28551453155 is 55135415582.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 28551453155 - 2⁸ = 28551452899 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 28268261 + ... + 28269270.

It is an arithmetic number, because the mean of its divisors is an integer number (4325121198).

Almost surely, 2^28551453155 is an apocalyptic number.

28551453155 is a deficient number, since it is larger than the sum of its proper divisors (6049516429).

28551453155 is a wasteful number, since it uses less digits than its factorization.

28551453155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56537637.

The product of its digits is 600000, while the sum is 44.

The spelling of 28551453155 in words is "twenty-eight billion, five hundred fifty-one million, four hundred fifty-three thousand, one hundred fifty-five".