25250055005 has 12 divisors (see below), whose sum is σ = 35247015900. Its totient is φ = 17314323264.

The previous prime is 25250054981. The next prime is 25250055013. The reversal of 25250055005 is 50055005252.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 12539296441 + 12710758564 = 111979^2 + 112742^2 .

It is not a de Polignac number, because 25250055005 - 2²² = 25245860701 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51530480 + ... + 51530969.

It is an arithmetic number, because the mean of its divisors is an integer number (2937251325).

Almost surely, 2^25250055005 is an apocalyptic number.

It is an amenable number.

25250055005 is a deficient number, since it is larger than the sum of its proper divisors (9996960895).

25250055005 is a wasteful number, since it uses less digits than its factorization.

25250055005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103061468 (or 103061461 counting only the distinct ones).

The product of its (nonzero) digits is 12500, while the sum is 29.

The spelling of 25250055005 in words is "twenty-five billion, two hundred fifty million, fifty-five thousand, five".