25106372201 has 2 divisors, whose sum is σ = 25106372202. Its totient is φ = 25106372200.

The previous prime is 25106372189. The next prime is 25106372303. The reversal of 25106372201 is 10227360152.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24234705625 + 871666576 = 155675^2 + 29524^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25106372201 is a prime.

It is not a weakly prime, because it can be changed into another prime (25106332201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12553186100 + 12553186101.

It is an arithmetic number, because the mean of its divisors is an integer number (12553186101).

Almost surely, 2^25106372201 is an apocalyptic number.

It is an amenable number.

25106372201 is a deficient number, since it is larger than the sum of its proper divisors (1).

25106372201 is an equidigital number, since it uses as much as digits as its factorization.

25106372201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5040, while the sum is 29.

The spelling of 25106372201 in words is "twenty-five billion, one hundred six million, three hundred seventy-two thousand, two hundred one".