51011141 has 2 divisors, whose sum is σ = 51011142. Its totient is φ = 51011140.

The previous prime is 51011131. The next prime is 51011167. The reversal of 51011141 is 14111015.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50708641 + 302500 = 7121^2 + 550^2 .

It is a cyclic number.

It is not a de Polignac number, because 51011141 - 2²² = 46816837 is a prime.

It is a super-2 number, since 2×51011141² = 5204273012243762, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51011131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25505570 + 25505571.

It is an arithmetic number, because the mean of its divisors is an integer number (25505571).

Almost surely, 2^51011141 is an apocalyptic number.

It is an amenable number.

51011141 is a deficient number, since it is larger than the sum of its proper divisors (1).

51011141 is an equidigital number, since it uses as much as digits as its factorization.

51011141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20, while the sum is 14.

The square root of 51011141 is about 7142.2084119689. The cubic root of 51011141 is about 370.8699786312.

Adding to 51011141 its reverse (14111015), we get a palindrome (65122156).

The spelling of 51011141 in words is "fifty-one million, eleven thousand, one hundred forty-one".