25502505003 has 12 divisors (see below), whose sum is σ = 36844298920. Its totient is φ = 16998278976.

The previous prime is 25502504987. The next prime is 25502505013. The reversal of 25502505003 is 30050520552.

It is not a de Polignac number, because 25502505003 - 2⁴ = 25502504987 is a prime.

It is a super-2 number, since 2×25502505003² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25502505013) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 234526 + ... + 325587.

Almost surely, 2^25502505003 is an apocalyptic number.

25502505003 is a deficient number, since it is larger than the sum of its proper divisors (11341793917).

25502505003 is a wasteful number, since it uses less digits than its factorization.

25502505003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 565178 (or 565175 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 27.

The spelling of 25502505003 in words is "twenty-five billion, five hundred two million, five hundred five thousand, three".