47531105805 has 16 divisors (see below), whose sum is σ = 76056090624. Its totient is φ = 25347816000.

The previous prime is 47531105789. The next prime is 47531105807. The reversal of 47531105805 is 50850113574.

It is not a de Polignac number, because 47531105805 - 2⁴ = 47531105789 is a prime.

It is a super-2 number, since 2×47531105805² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47531105807) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64180 + ... + 314930.

It is an arithmetic number, because the mean of its divisors is an integer number (4753505664).

Almost surely, 2^47531105805 is an apocalyptic number.

It is an amenable number.

47531105805 is a deficient number, since it is larger than the sum of its proper divisors (28524984819).

47531105805 is a wasteful number, since it uses less digits than its factorization.

47531105805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263396.

The product of its (nonzero) digits is 84000, while the sum is 39.

The spelling of 47531105805 in words is "forty-seven billion, five hundred thirty-one million, one hundred five thousand, eight hundred five".