47272015775545 has 32 divisors (see below), whose sum is σ = 63974522962944. Its totient is φ = 33221189836800.

The previous prime is 47272015775449. The next prime is 47272015775549. The reversal of 47272015775545 is 54557751027274.

It is not a de Polignac number, because 47272015775545 - 2²³ = 47272007386937 is a prime.

It is a Smith number, since the sum of its digits (61) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (47272015775549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19450992 + ... + 21745921.

It is an arithmetic number, because the mean of its divisors is an integer number (1999203842592).

Almost surely, 2^{47272015775545} is an apocalyptic number.

It is an amenable number.

47272015775545 is a deficient number, since it is larger than the sum of its proper divisors (16702507187399).

47272015775545 is a wasteful number, since it uses less digits than its factorization.

47272015775545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41197633.

The product of its (nonzero) digits is 96040000, while the sum is 61.

The spelling of 47272015775545 in words is "forty-seven trillion, two hundred seventy-two billion, fifteen million, seven hundred seventy-five thousand, five hundred forty-five".