28055000302555 has 8 divisors (see below), whose sum is σ = 33666129900144. Its totient is φ = 22443913884000.

The previous prime is 28055000302493. The next prime is 28055000302597. The reversal of 28055000302555 is 55520300055082.

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

It is not a de Polignac number, because 28055000302555 - 2¹¹ = 28055000300507 is a prime.

It is a super-2 number, since 2×28055000302555² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9347701 + ... + 11978710.

It is an arithmetic number, because the mean of its divisors is an integer number (4208266237518).

Almost surely, 2^{28055000302555} is an apocalyptic number.

28055000302555 is a deficient number, since it is larger than the sum of its proper divisors (5611129597589).

28055000302555 is a wasteful number, since it uses less digits than its factorization.

28055000302555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21589517.

The product of its (nonzero) digits is 300000, while the sum is 40.

The spelling of 28055000302555 in words is "twenty-eight trillion, fifty-five billion, three hundred two thousand, five hundred fifty-five".