47155447361 has 12 divisors (see below), whose sum is σ = 53619335700. Its totient is φ = 41390358240.

The previous prime is 47155447319. The next prime is 47155447429. The reversal of 47155447361 is 16374455174.

47155447361 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 12100000000 + 35055447361 = 110000^2 + 187231^2 .

It is not a de Polignac number, because 47155447361 - 2¹⁰ = 47155446337 is a prime.

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47155447061) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6715706 + ... + 6722723.

It is an arithmetic number, because the mean of its divisors is an integer number (4468277975).

Almost surely, 2^47155447361 is an apocalyptic number.

It is an amenable number.

47155447361 is a deficient number, since it is larger than the sum of its proper divisors (6463888339).

47155447361 is a wasteful number, since it uses less digits than its factorization.

47155447361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13438480 (or 13438469 counting only the distinct ones).

The product of its digits is 1411200, while the sum is 47.

The spelling of 47155447361 in words is "forty-seven billion, one hundred fifty-five million, four hundred forty-seven thousand, three hundred sixty-one".