47731637545311 has 4 divisors (see below), whose sum is σ = 63642183393752. Its totient is φ = 31821091696872.

The previous prime is 47731637545309. The next prime is 47731637545349. The reversal of 47731637545311 is 11354573613774.

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

It is not a de Polignac number, because 47731637545311 - 2¹ = 47731637545309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47731637545411) 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, 7955272924216 + ... + 7955272924221.

It is an arithmetic number, because the mean of its divisors is an integer number (15910545848438).

Almost surely, 2^{47731637545311} is an apocalyptic number.

47731637545311 is a deficient number, since it is larger than the sum of its proper divisors (15910545848441).

47731637545311 is a wasteful number, since it uses less digits than its factorization.

47731637545311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15910545848440.

The product of its digits is 22226400, while the sum is 57.

The spelling of 47731637545311 in words is "forty-seven trillion, seven hundred thirty-one billion, six hundred thirty-seven million, five hundred forty-five thousand, three hundred eleven".