52128190147 has 4 divisors (see below), whose sum is σ = 56867116536. Its totient is φ = 47389263760.

The previous prime is 52128190139. The next prime is 52128190201. The reversal of 52128190147 is 74109182125.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 52128190147 - 2³ = 52128190139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52128190447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2369463178 + ... + 2369463199.

It is an arithmetic number, because the mean of its divisors is an integer number (14216779134).

Almost surely, 2^52128190147 is an apocalyptic number.

52128190147 is a deficient number, since it is larger than the sum of its proper divisors (4738926389).

52128190147 is a wasteful number, since it uses less digits than its factorization.

52128190147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4738926388.

The product of its (nonzero) digits is 40320, while the sum is 40.

The spelling of 52128190147 in words is "fifty-two billion, one hundred twenty-eight million, one hundred ninety thousand, one hundred forty-seven".