25082555505 has 32 divisors (see below), whose sum is σ = 45933122304. Its totient is φ = 11449341696.

The previous prime is 25082555501. The next prime is 25082555513. The reversal of 25082555505 is 50555528052.

It is not a de Polignac number, because 25082555505 - 2² = 25082555501 is a prime.

It is a super-2 number, since 2×25082555505² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (25082555501) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 105342 + ... + 247511.

It is an arithmetic number, because the mean of its divisors is an integer number (1435410072).

Almost surely, 2^25082555505 is an apocalyptic number.

It is an amenable number.

25082555505 is a deficient number, since it is larger than the sum of its proper divisors (20850566799).

25082555505 is a wasteful number, since it uses less digits than its factorization.

25082555505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353545.

The product of its (nonzero) digits is 500000, while the sum is 42.

The spelling of 25082555505 in words is "twenty-five billion, eighty-two million, five hundred fifty-five thousand, five hundred five".