26377055137 has 2 divisors, whose sum is σ = 26377055138. Its totient is φ = 26377055136.

The previous prime is 26377055099. The next prime is 26377055161. The reversal of 26377055137 is 73155077362.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17765957521 + 8611097616 = 133289^2 + 92796^2 .

It is a cyclic number.

It is not a de Polignac number, because 26377055137 - 2¹¹ = 26377053089 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, 13188527568 + 13188527569.

It is an arithmetic number, because the mean of its divisors is an integer number (13188527569).

Almost surely, 2^26377055137 is an apocalyptic number.

It is an amenable number.

26377055137 is a deficient number, since it is larger than the sum of its proper divisors (1).

26377055137 is an equidigital number, since it uses as much as digits as its factorization.

26377055137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 926100, while the sum is 46.

The spelling of 26377055137 in words is "twenty-six billion, three hundred seventy-seven million, fifty-five thousand, one hundred thirty-seven".