47440131155 has 4 divisors (see below), whose sum is σ = 56928157392. Its totient is φ = 37952104920.

The previous prime is 47440131119. The next prime is 47440131157. The reversal of 47440131155 is 55113104474.

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

It is not a de Polignac number, because 47440131155 - 2²⁸ = 47171695699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47440131157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4744013111 + ... + 4744013120.

It is an arithmetic number, because the mean of its divisors is an integer number (14232039348).

Almost surely, 2^47440131155 is an apocalyptic number.

47440131155 is a deficient number, since it is larger than the sum of its proper divisors (9488026237).

47440131155 is an equidigital number, since it uses as much as digits as its factorization.

47440131155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9488026236.

The product of its (nonzero) digits is 33600, while the sum is 35.

The spelling of 47440131155 in words is "forty-seven billion, four hundred forty million, one hundred thirty-one thousand, one hundred fifty-five".