51152011 has 2 divisors, whose sum is σ = 51152012. Its totient is φ = 51152010.

The previous prime is 51151999. The next prime is 51152029. The reversal of 51152011 is 11025115.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51152011 - 2⁵ = 51151979 is a prime.

It is not a weakly prime, because it can be changed into another prime (51152041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25576005 + 25576006.

It is an arithmetic number, because the mean of its divisors is an integer number (25576006).

Almost surely, 2^51152011 is an apocalyptic number.

51152011 is the 3199-th centered decagonal number.

51152011 is a deficient number, since it is larger than the sum of its proper divisors (1).

51152011 is an equidigital number, since it uses as much as digits as its factorization.

51152011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 50, while the sum is 16.

The square root of 51152011 is about 7152.0634085556. The cubic root of 51152011 is about 371.2110572959.

Adding to 51152011 its reverse (11025115), we get a palindrome (62177126).

The spelling of 51152011 in words is "fifty-one million, one hundred fifty-two thousand, eleven".