47213551478611 has 4 divisors (see below), whose sum is σ = 53958344546992. Its totient is φ = 40468758410232.

The previous prime is 47213551478537. The next prime is 47213551478707. The reversal of 47213551478611 is 11687415531274.

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

It is a cyclic number.

It is not a de Polignac number, because 47213551478611 - 2²⁷ = 47213417260883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47213551478011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3372396534180 + ... + 3372396534193.

It is an arithmetic number, because the mean of its divisors is an integer number (13489586136748).

Almost surely, 2^{47213551478611} is an apocalyptic number.

47213551478611 is a deficient number, since it is larger than the sum of its proper divisors (6744793068381).

47213551478611 is an equidigital number, since it uses as much as digits as its factorization.

47213551478611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6744793068380.

The product of its digits is 5644800, while the sum is 55.

The spelling of 47213551478611 in words is "forty-seven trillion, two hundred thirteen billion, five hundred fifty-one million, four hundred seventy-eight thousand, six hundred eleven".