51008011 has 2 divisors, whose sum is σ = 51008012. Its totient is φ = 51008010.

The previous prime is 51008003. The next prime is 51008029. The reversal of 51008011 is 11080015.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51008011 - 2³ = 51008003 is a prime.

It is a super-2 number, since 2×51008011² = 5203634372352242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (51008611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25504005 + 25504006.

It is an arithmetic number, because the mean of its divisors is an integer number (25504006).

Almost surely, 2^51008011 is an apocalyptic number.

51008011 is a deficient number, since it is larger than the sum of its proper divisors (1).

51008011 is an equidigital number, since it uses as much as digits as its factorization.

51008011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40, while the sum is 16.

The square root of 51008011 is about 7141.9892887066. The cubic root of 51008011 is about 370.8623930544.

Adding to 51008011 its reverse (11080015), we get a palindrome (62088026).

It can be divided in two parts, 5 and 1008011, that added together give a square (1008016 = 1004²).

The spelling of 51008011 in words is "fifty-one million, eight thousand, eleven".