28200133270155 has 32 divisors (see below), whose sum is σ = 56253772343808. Its totient is φ = 11719535904000.

The previous prime is 28200133270087. The next prime is 28200133270157. The reversal of 28200133270155 is 55107233100282.

It is not a de Polignac number, because 28200133270155 - 2¹⁰ = 28200133269131 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28200133270157) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12207848746 + ... + 12207851055.

It is an arithmetic number, because the mean of its divisors is an integer number (1757930385744).

Almost surely, 2^{28200133270155} is an apocalyptic number.

28200133270155 is a deficient number, since it is larger than the sum of its proper divisors (28053639073653).

28200133270155 is a wasteful number, since it uses less digits than its factorization.

28200133270155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24415699827.

The product of its (nonzero) digits is 100800, while the sum is 39.

The spelling of 28200133270155 in words is "twenty-eight trillion, two hundred billion, one hundred thirty-three million, two hundred seventy thousand, one hundred fifty-five".