51671128104 has 48 divisors (see below), whose sum is σ = 144456923520. Its totient is φ = 16668105120.

The previous prime is 51671128043. The next prime is 51671128109. The reversal of 51671128104 is 40182117615.

51671128104 is a `hidden beast` number, since 516 + 7 + 1 + 128 + 10 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (51671128109) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11572842 + ... + 11577305.

It is an arithmetic number, because the mean of its divisors is an integer number (3009519240).

Almost surely, 2^51671128104 is an apocalyptic number.

It is an amenable number.

51671128104 is an abundant number, since it is smaller than the sum of its proper divisors (92785795416).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51671128104 is a wasteful number, since it uses less digits than its factorization.

51671128104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23150190 (or 23150183 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 36.

The spelling of 51671128104 in words is "fifty-one billion, six hundred seventy-one million, one hundred twenty-eight thousand, one hundred four".