28056083145 has 16 divisors (see below), whose sum is σ = 47252351040. Its totient is φ = 14175705024.

The previous prime is 28056083141. The next prime is 28056083173. The reversal of 28056083145 is 54138065082.

It is not a de Polignac number, because 28056083145 - 2² = 28056083141 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28056083097 and 28056083106.

It is not an unprimeable number, because it can be changed into a prime (28056083141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49220914 + ... + 49221483.

It is an arithmetic number, because the mean of its divisors is an integer number (2953271940).

Almost surely, 2^28056083145 is an apocalyptic number.

It is an amenable number.

28056083145 is a deficient number, since it is larger than the sum of its proper divisors (19196267895).

28056083145 is a wasteful number, since it uses less digits than its factorization.

28056083145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98442424.

The product of its (nonzero) digits is 230400, while the sum is 42.

The spelling of 28056083145 in words is "twenty-eight billion, fifty-six million, eighty-three thousand, one hundred forty-five".