28758056061051 has 6 divisors (see below), whose sum is σ = 41539414310420. Its totient is φ = 19172037374028.

The previous prime is 28758056061001. The next prime is 28758056061083. The reversal of 28758056061051 is 15016065085782.

28758056061051 is a `hidden beast` number, since 2 + 8 + 7 + 580 + 5 + 6 + 0 + 6 + 1 + 0 + 51 = 666.

It is not a de Polignac number, because 28758056061051 - 2²⁷ = 28757921843323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28758056061001) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1597669781161 + ... + 1597669781178.

Almost surely, 2^{28758056061051} is an apocalyptic number.

28758056061051 is a deficient number, since it is larger than the sum of its proper divisors (12781358249369).

28758056061051 is a wasteful number, since it uses less digits than its factorization.

28758056061051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3195339562345 (or 3195339562342 counting only the distinct ones).

The product of its (nonzero) digits is 4032000, while the sum is 54.

The spelling of 28758056061051 in words is "twenty-eight trillion, seven hundred fifty-eight billion, fifty-six million, sixty-one thousand, fifty-one".