47128374551 has 4 divisors (see below), whose sum is σ = 47204758272. Its totient is φ = 47051990832.

The previous prime is 47128374547. The next prime is 47128374571. The reversal of 47128374551 is 15547382174.

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 47128374551 - 2² = 47128374547 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 47128374496 and 47128374505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47128374571) 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, 38190935 + ... + 38192168.

It is an arithmetic number, because the mean of its divisors is an integer number (11801189568).

Almost surely, 2^47128374551 is an apocalyptic number.

47128374551 is a deficient number, since it is larger than the sum of its proper divisors (76383721).

47128374551 is an equidigital number, since it uses as much as digits as its factorization.

47128374551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76383720.

The product of its digits is 940800, while the sum is 47.

The spelling of 47128374551 in words is "forty-seven billion, one hundred twenty-eight million, three hundred seventy-four thousand, five hundred fifty-one".