5651128061 has 2 divisors, whose sum is σ = 5651128062. Its totient is φ = 5651128060.

The previous prime is 5651128027. The next prime is 5651128073. The reversal of 5651128061 is 1608211565.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3581424025 + 2069704036 = 59845^2 + 45494^2 .

It is a cyclic number.

It is not a de Polignac number, because 5651128061 - 2⁶ = 5651127997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5651128961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2825564030 + 2825564031.

It is an arithmetic number, because the mean of its divisors is an integer number (2825564031).

Almost surely, 2^5651128061 is an apocalyptic number.

It is an amenable number.

5651128061 is a deficient number, since it is larger than the sum of its proper divisors (1).

5651128061 is an equidigital number, since it uses as much as digits as its factorization.

5651128061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14400, while the sum is 35.

The square root of 5651128061 is about 75173.9852675113. The cubic root of 5651128061 is about 1781.1960211881.

The spelling of 5651128061 in words is "five billion, six hundred fifty-one million, one hundred twenty-eight thousand, sixty-one".