51184482147 has 192 divisors, whose sum is σ = 89631360000. Its totient is φ = 28970016768.

The previous prime is 51184482143. The next prime is 51184482157. The reversal of 51184482147 is 74128448115.

51184482147 is a `hidden beast` number, since 51 + 1 + 84 + 482 + 1 + 47 = 666.

It is not a de Polignac number, because 51184482147 - 2² = 51184482143 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51184482143) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 257208354 + ... + 257208552.

It is an arithmetic number, because the mean of its divisors is an integer number (466830000).

Almost surely, 2^51184482147 is an apocalyptic number.

51184482147 is a gapful number since it is divisible by the number (57) formed by its first and last digit.

51184482147 is a deficient number, since it is larger than the sum of its proper divisors (38446877853).

51184482147 is a wasteful number, since it uses less digits than its factorization.

51184482147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392 (or 380 counting only the distinct ones).

The product of its digits is 286720, while the sum is 45.

The spelling of 51184482147 in words is "fifty-one billion, one hundred eighty-four million, four hundred eighty-two thousand, one hundred forty-seven".