5252128088047 has 4 divisors (see below), whose sum is σ = 5279626141056. Its totient is φ = 5224630035040.

The previous prime is 5252128087991. The next prime is 5252128088107. The reversal of 5252128088047 is 7408808212525.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5252128088047 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5252128087985 and 5252128088003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5252128085047) 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, 13749026218 + ... + 13749026599.

It is an arithmetic number, because the mean of its divisors is an integer number (1319906535264).

Almost surely, 2^{5252128088047} is an apocalyptic number.

5252128088047 is a deficient number, since it is larger than the sum of its proper divisors (27498053009).

5252128088047 is a wasteful number, since it uses less digits than its factorization.

5252128088047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27498053008.

The product of its (nonzero) digits is 2867200, while the sum is 52.

The spelling of 5252128088047 in words is "five trillion, two hundred fifty-two billion, one hundred twenty-eight million, eighty-eight thousand, forty-seven".