51203367061 has 16 divisors (see below), whose sum is σ = 64919969280. Its totient is φ = 39222474480.

The previous prime is 51203367043. The next prime is 51203367079. The reversal of 51203367061 is 16076330215.

It is an interprime number because it is at equal distance from previous prime (51203367043) and next prime (51203367079).

It is not a de Polignac number, because 51203367061 - 2²¹ = 51201269909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51203367001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5630871 + ... + 5639956.

It is an arithmetic number, because the mean of its divisors is an integer number (4057498080).

Almost surely, 2^51203367061 is an apocalyptic number.

It is an amenable number.

51203367061 is a deficient number, since it is larger than the sum of its proper divisors (13716602219).

51203367061 is a wasteful number, since it uses less digits than its factorization.

51203367061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11270904.

The product of its (nonzero) digits is 22680, while the sum is 34.

Adding to 51203367061 its reverse (16076330215), we get a palindrome (67279697276).

The spelling of 51203367061 in words is "fifty-one billion, two hundred three million, three hundred sixty-seven thousand, sixty-one".