25502253553000 has 64 divisors (see below), whose sum is σ = 68200312377600. Its totient is φ = 8743629787200.

The previous prime is 25502253552991. The next prime is 25502253553019. The reversal of 25502253553000 is 35535220552.

It is a super-2 number, since 2×25502253553000² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1821582540 + ... + 1821596539.

It is an arithmetic number, because the mean of its divisors is an integer number (1065629880900).

Almost surely, 2^{25502253553000} is an apocalyptic number.

25502253553000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25502253553000 is an abundant number, since it is smaller than the sum of its proper divisors (42698058824600).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25502253553000 is a wasteful number, since it uses less digits than its factorization.

25502253553000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3643179107 (or 3643179093 counting only the distinct ones).

The product of its (nonzero) digits is 225000, while the sum is 37.

Adding to 25502253553000 its reverse (35535220552), we get a palindrome (25537788773552).

The spelling of 25502253553000 in words is "twenty-five trillion, five hundred two billion, two hundred fifty-three million, five hundred fifty-three thousand".