51141445012 has 24 divisors (see below), whose sum is σ = 102350666880. Its totient is φ = 21903238560.

The previous prime is 51141444989. The next prime is 51141445013. The reversal of 51141445012 is 21054414115.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51141445013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 562087 + ... + 646702.

It is an arithmetic number, because the mean of its divisors is an integer number (4264611120).

Almost surely, 2^51141445012 is an apocalyptic number.

It is an amenable number.

51141445012 is an abundant number, since it is smaller than the sum of its proper divisors (51209221868).

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

51141445012 is a wasteful number, since it uses less digits than its factorization.

51141445012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1210311 (or 1210309 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 28.

Adding to 51141445012 its reverse (21054414115), we get a palindrome (72195859127).

The spelling of 51141445012 in words is "fifty-one billion, one hundred forty-one million, four hundred forty-five thousand, twelve".