47161242125 has 16 divisors (see below), whose sum is σ = 59378108400. Its totient is φ = 37395097600.

The previous prime is 47161242113. The next prime is 47161242127. The reversal of 47161242125 is 52124216174.

It can be written as a sum of positive squares in 8 ways, for example, as 41258546884 + 5902695241 = 203122^2 + 76829^2 .

It is not a de Polignac number, because 47161242125 - 2⁴ = 47161242109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47161242127) 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 15 ways as a sum of consecutive naturals, for example, 1655300 + ... + 1683549.

It is an arithmetic number, because the mean of its divisors is an integer number (3711131775).

Almost surely, 2^47161242125 is an apocalyptic number.

It is an amenable number.

47161242125 is a deficient number, since it is larger than the sum of its proper divisors (12216866275).

47161242125 is a wasteful number, since it uses less digits than its factorization.

47161242125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3338977 (or 3338967 counting only the distinct ones).

The product of its digits is 26880, while the sum is 35.

Adding to 47161242125 its reverse (52124216174), we get a palindrome (99285458299).

The spelling of 47161242125 in words is "forty-seven billion, one hundred sixty-one million, two hundred forty-two thousand, one hundred twenty-five".