25505211015332 has 24 divisors (see below), whose sum is σ = 45585493873920. Its totient is φ = 12480804581120.

The previous prime is 25505211015241. The next prime is 25505211015343. The reversal of 25505211015332 is 23351011250552.

It is a happy number.

It is a super-2 number, since 2×25505211015332² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 25505211015292 and 25505211015301.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2495732 + ... + 7565652.

It is an arithmetic number, because the mean of its divisors is an integer number (1899395578080).

Almost surely, 2^{25505211015332} is an apocalyptic number.

It is an amenable number.

25505211015332 is a deficient number, since it is larger than the sum of its proper divisors (20080282858588).

25505211015332 is a wasteful number, since it uses less digits than its factorization.

25505211015332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5096731 (or 5096729 counting only the distinct ones).

The product of its (nonzero) digits is 45000, while the sum is 35.

Adding to 25505211015332 its reverse (23351011250552), we get a palindrome (48856222265884).

The spelling of 25505211015332 in words is "twenty-five trillion, five hundred five billion, two hundred eleven million, fifteen thousand, three hundred thirty-two".