51411012261 has 32 divisors (see below), whose sum is σ = 78826659840. Its totient is φ = 29195651136.

The previous prime is 51411012241. The next prime is 51411012277. The reversal of 51411012261 is 16221011415.

It is not a de Polignac number, because 51411012261 - 2⁶ = 51411012197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51411012241) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8293015 + ... + 8299211.

It is an arithmetic number, because the mean of its divisors is an integer number (2463333120).

Almost surely, 2^51411012261 is an apocalyptic number.

It is an amenable number.

51411012261 is a deficient number, since it is larger than the sum of its proper divisors (27415647579).

51411012261 is a wasteful number, since it uses less digits than its factorization.

51411012261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8593.

The product of its (nonzero) digits is 480, while the sum is 24.

Adding to 51411012261 its reverse (16221011415), we get a palindrome (67632023676).

The spelling of 51411012261 in words is "fifty-one billion, four hundred eleven million, twelve thousand, two hundred sixty-one".