25550050005 has 96 divisors (see below), whose sum is σ = 45927573120. Its totient is φ = 13133352960.

The previous prime is 25550049983. The next prime is 25550050027. The reversal of 25550050005 is 50005005552.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (25550049983) and next prime (25550050027).

It is not a de Polignac number, because 25550050005 - 2¹³ = 25550041813 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 46709142 + ... + 46709688.

It is an arithmetic number, because the mean of its divisors is an integer number (478412220).

Almost surely, 2^25550050005 is an apocalyptic number.

It is an amenable number.

25550050005 is a deficient number, since it is larger than the sum of its proper divisors (20377523115).

25550050005 is a wasteful number, since it uses less digits than its factorization.

25550050005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 931 (or 928 counting only the distinct ones).

The product of its (nonzero) digits is 6250, while the sum is 27.

Adding to 25550050005 its reverse (50005005552), we get a palindrome (75555055557).

The spelling of 25550050005 in words is "twenty-five billion, five hundred fifty million, fifty thousand, five".