51041192412 has 144 divisors (see below), whose sum is σ = 149390196480. Its totient is φ = 13478572800.

The previous prime is 51041192381. The next prime is 51041192429. The reversal of 51041192412 is 21429114015.

It is a self number, because there is not a number n which added to its sum of digits gives 51041192412.

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 402337 + ... + 513767.

It is an arithmetic number, because the mean of its divisors is an integer number (1037431920).

Almost surely, 2^51041192412 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51041192412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74695098240).

51041192412 is an abundant number, since it is smaller than the sum of its proper divisors (98349004068).

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

51041192412 is a wasteful number, since it uses less digits than its factorization.

51041192412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111512 (or 111503 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 30.

The spelling of 51041192412 in words is "fifty-one billion, forty-one million, one hundred ninety-two thousand, four hundred twelve".