51204211244 has 12 divisors (see below), whose sum is σ = 89688177600. Its totient is φ = 25579017648.

The previous prime is 51204211243. The next prime is 51204211271. The reversal of 51204211244 is 44211240215.

It is not an unprimeable number, because it can be changed into a prime (51204211243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5767004 + ... + 5775875.

It is an arithmetic number, because the mean of its divisors is an integer number (7474014800).

Almost surely, 2^51204211244 is an apocalyptic number.

It is an amenable number.

51204211244 is a deficient number, since it is larger than the sum of its proper divisors (38483966356).

51204211244 is a wasteful number, since it uses less digits than its factorization.

51204211244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11543992 (or 11543990 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 26.

Adding to 51204211244 its reverse (44211240215), we get a palindrome (95415451459).

The spelling of 51204211244 in words is "fifty-one billion, two hundred four million, two hundred eleven thousand, two hundred forty-four".