47365736231521 has 8 divisors (see below), whose sum is σ = 47649614673024. Its totient is φ = 47081860781760.

The previous prime is 47365736231503. The next prime is 47365736231531. The reversal of 47365736231521 is 12513263756374.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 47365736231521 - 2³¹ = 47363588747873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47365736231531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36575001 + ... + 37847881.

It is an arithmetic number, because the mean of its divisors is an integer number (5956201834128).

Almost surely, 2^{47365736231521} is an apocalyptic number.

It is an amenable number.

47365736231521 is a deficient number, since it is larger than the sum of its proper divisors (283878441503).

47365736231521 is a wasteful number, since it uses less digits than its factorization.

47365736231521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1495871.

The product of its digits is 19051200, while the sum is 55.

Adding to 47365736231521 its reverse (12513263756374), we get a palindrome (59878999987895).

The spelling of 47365736231521 in words is "forty-seven trillion, three hundred sixty-five billion, seven hundred thirty-six million, two hundred thirty-one thousand, five hundred twenty-one".