26425455601 has 2 divisors, whose sum is σ = 26425455602. Its totient is φ = 26425455600.

The previous prime is 26425455541. The next prime is 26425455613. The reversal of 26425455601 is 10655452462.

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., 18817254976 + 7608200625 = 137176^2 + 87225^2 .

It is a cyclic number.

It is not a de Polignac number, because 26425455601 - 2¹³ = 26425447409 is a prime.

It is not a weakly prime, because it can be changed into another prime (26425455671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13212727800 + 13212727801.

It is an arithmetic number, because the mean of its divisors is an integer number (13212727801).

Almost surely, 2^26425455601 is an apocalyptic number.

It is an amenable number.

26425455601 is a deficient number, since it is larger than the sum of its proper divisors (1).

26425455601 is an equidigital number, since it uses as much as digits as its factorization.

26425455601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288000, while the sum is 40.

The spelling of 26425455601 in words is "twenty-six billion, four hundred twenty-five million, four hundred fifty-five thousand, six hundred one".