28053002775505 has 16 divisors (see below), whose sum is σ = 33921306619200. Its totient is φ = 22270607394880.

The previous prime is 28053002775503. The next prime is 28053002775601. The reversal of 28053002775505 is 50557720035082.

It is not a de Polignac number, because 28053002775505 - 2¹ = 28053002775503 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28053002775503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31750251 + ... + 32621839.

It is an arithmetic number, because the mean of its divisors is an integer number (2120081663700).

Almost surely, 2^{28053002775505} is an apocalyptic number.

It is an amenable number.

28053002775505 is a deficient number, since it is larger than the sum of its proper divisors (5868303843695).

28053002775505 is a wasteful number, since it uses less digits than its factorization.

28053002775505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 920864.

The product of its (nonzero) digits is 2940000, while the sum is 49.

The spelling of 28053002775505 in words is "twenty-eight trillion, fifty-three billion, two million, seven hundred seventy-five thousand, five hundred five".