47121007161 has 4 divisors (see below), whose sum is σ = 62828009552. Its totient is φ = 31414004772.

The previous prime is 47121007151. The next prime is 47121007181. The reversal of 47121007161 is 16170012174.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 47121007161 - 2³⁰ = 46047265337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47121007111) 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, 7853501191 + ... + 7853501196.

It is an arithmetic number, because the mean of its divisors is an integer number (15707002388).

Almost surely, 2^47121007161 is an apocalyptic number.

It is an amenable number.

47121007161 is a deficient number, since it is larger than the sum of its proper divisors (15707002391).

47121007161 is a wasteful number, since it uses less digits than its factorization.

47121007161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15707002390.

The product of its (nonzero) digits is 2352, while the sum is 30.

The spelling of 47121007161 in words is "forty-seven billion, one hundred twenty-one million, seven thousand, one hundred sixty-one".