25554101051 has 2 divisors, whose sum is σ = 25554101052. Its totient is φ = 25554101050.

The previous prime is 25554101047. The next prime is 25554101101. The reversal of 25554101051 is 15010145552.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25554101051 - 2² = 25554101047 is a prime.

It is not a weakly prime, because it can be changed into another prime (25554101011) 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, 12777050525 + 12777050526.

It is an arithmetic number, because the mean of its divisors is an integer number (12777050526).

Almost surely, 2^25554101051 is an apocalyptic number.

25554101051 is a deficient number, since it is larger than the sum of its proper divisors (1).

25554101051 is an equidigital number, since it uses as much as digits as its factorization.

25554101051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5000, while the sum is 29.

The spelling of 25554101051 in words is "twenty-five billion, five hundred fifty-four million, one hundred one thousand, fifty-one".