26377055161 has 2 divisors, whose sum is σ = 26377055162. Its totient is φ = 26377055160.

The previous prime is 26377055137. The next prime is 26377055167. The reversal of 26377055161 is 16155077362.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21850456761 + 4526598400 = 147819^2 + 67280^2 .

It is a cyclic number.

It is not a de Polignac number, because 26377055161 - 2¹¹ = 26377053113 is a prime.

It is not a weakly prime, because it can be changed into another prime (26377055167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13188527580 + 13188527581.

It is an arithmetic number, because the mean of its divisors is an integer number (13188527581).

Almost surely, 2^26377055161 is an apocalyptic number.

It is an amenable number.

26377055161 is a deficient number, since it is larger than the sum of its proper divisors (1).

26377055161 is an equidigital number, since it uses as much as digits as its factorization.

26377055161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 264600, while the sum is 43.

The spelling of 26377055161 in words is "twenty-six billion, three hundred seventy-seven million, fifty-five thousand, one hundred sixty-one".