5126661101 has 2 divisors, whose sum is σ = 5126661102. Its totient is φ = 5126661100.

The previous prime is 5126661097. The next prime is 5126661103. The reversal of 5126661101 is 1011666215.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5062180201 + 64480900 = 71149^2 + 8030^2 .

It is a cyclic number.

It is not a de Polignac number, because 5126661101 - 2² = 5126661097 is a prime.

Together with 5126661103, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5126661103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2563330550 + 2563330551.

It is an arithmetic number, because the mean of its divisors is an integer number (2563330551).

Almost surely, 2^5126661101 is an apocalyptic number.

It is an amenable number.

5126661101 is a deficient number, since it is larger than the sum of its proper divisors (1).

5126661101 is an equidigital number, since it uses as much as digits as its factorization.

5126661101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 29.

The square root of 5126661101 is about 71600.7060090890. The cubic root of 5126661101 is about 1724.2948711958.

The spelling of 5126661101 in words is "five billion, one hundred twenty-six million, six hundred sixty-one thousand, one hundred one".