51002205441 has 16 divisors (see below), whose sum is σ = 74230868928. Its totient is φ = 30891326400.

The previous prime is 51002205433. The next prime is 51002205473. The reversal of 51002205441 is 14450220015.

It is not a de Polignac number, because 51002205441 - 2³ = 51002205433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51002205481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 423226 + ... + 530211.

It is an arithmetic number, because the mean of its divisors is an integer number (4639429308).

Almost surely, 2^51002205441 is an apocalyptic number.

It is an amenable number.

51002205441 is a deficient number, since it is larger than the sum of its proper divisors (23228663487).

51002205441 is a wasteful number, since it uses less digits than its factorization.

51002205441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 955072.

The product of its (nonzero) digits is 1600, while the sum is 24.

Adding to 51002205441 its reverse (14450220015), we get a palindrome (65452425456).

The spelling of 51002205441 in words is "fifty-one billion, two million, two hundred five thousand, four hundred forty-one".