28005502505554 has 16 divisors (see below), whose sum is σ = 48587859770688. Its totient is φ = 11857751490672.

The previous prime is 28005502505509. The next prime is 28005502505557. The reversal of 28005502505554 is 45550520550082.

It is a super-3 number, since 3×28005502505554³ (a number of 41 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (28005502505557) 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 7 ways as a sum of consecutive naturals, for example, 12050559297 + ... + 12050561620.

It is an arithmetic number, because the mean of its divisors is an integer number (3036741235668).

Almost surely, 2^{28005502505554} is an apocalyptic number.

28005502505554 is a deficient number, since it is larger than the sum of its proper divisors (20582357265134).

28005502505554 is a wasteful number, since it uses less digits than its factorization.

28005502505554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24101121009.

The product of its (nonzero) digits is 2000000, while the sum is 46.

The spelling of 28005502505554 in words is "twenty-eight trillion, five billion, five hundred two million, five hundred five thousand, five hundred fifty-four".