47322732155 has 4 divisors (see below), whose sum is σ = 56787278592. Its totient is φ = 37858185720.

The previous prime is 47322732151. The next prime is 47322732161. The reversal of 47322732155 is 55123722374.

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

It is not a de Polignac number, because 47322732155 - 2² = 47322732151 is a prime.

It is a super-2 number, since 2×47322732155² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47322732151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4732273211 + ... + 4732273220.

It is an arithmetic number, because the mean of its divisors is an integer number (14196819648).

Almost surely, 2^47322732155 is an apocalyptic number.

47322732155 is a deficient number, since it is larger than the sum of its proper divisors (9464546437).

47322732155 is an equidigital number, since it uses as much as digits as its factorization.

47322732155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9464546436.

The product of its digits is 352800, while the sum is 41.

The spelling of 47322732155 in words is "forty-seven billion, three hundred twenty-two million, seven hundred thirty-two thousand, one hundred fifty-five".