25550052999929 has 2 divisors, whose sum is σ = 25550052999930. Its totient is φ = 25550052999928.

The previous prime is 25550052999917. The next prime is 25550053000051. The reversal of 25550052999929 is 92999925005552.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18689608629904 + 6860444370025 = 4323148^2 + 2619245^2 .

It is a cyclic number.

It is not a de Polignac number, because 25550052999929 - 2⁴⁴ = 7957866955513 is a prime.

It is not a weakly prime, because it can be changed into another prime (25550052999629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12775026499964 + 12775026499965.

It is an arithmetic number, because the mean of its divisors is an integer number (12775026499965).

Almost surely, 2^{25550052999929} is an apocalyptic number.

It is an amenable number.

25550052999929 is a deficient number, since it is larger than the sum of its proper divisors (1).

25550052999929 is an equidigital number, since it uses as much as digits as its factorization.

25550052999929 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 295245000, while the sum is 71.

The spelling of 25550052999929 in words is "twenty-five trillion, five hundred fifty billion, fifty-two million, nine hundred ninety-nine thousand, nine hundred twenty-nine".