25525050500030 has 16 divisors (see below), whose sum is σ = 45945152923824. Its totient is φ = 10210006416960.

The previous prime is 25525050499999. The next prime is 25525050500039. The reversal of 25525050500030 is 3000505052552.

It is a super-3 number, since 3×25525050500030³ (a number of 41 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 25525050500030.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25525050500039) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9596570 + ... + 11964290.

It is an arithmetic number, because the mean of its divisors is an integer number (2871572057739).

Almost surely, 2^{25525050500030} is an apocalyptic number.

25525050500030 is a deficient number, since it is larger than the sum of its proper divisors (20420102423794).

25525050500030 is a wasteful number, since it uses less digits than its factorization.

25525050500030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3445771.

The product of its (nonzero) digits is 37500, while the sum is 32.

Adding to 25525050500030 its reverse (3000505052552), we get a palindrome (28525555552582).

The spelling of 25525050500030 in words is "twenty-five trillion, five hundred twenty-five billion, fifty million, five hundred thousand, thirty".