25353352521133 has 16 divisors (see below), whose sum is σ = 31205903026816. Its totient is φ = 20058653142720.

The previous prime is 25353352521097. The next prime is 25353352521157. The reversal of 25353352521133 is 33112525335352.

It is a cyclic number.

It is not a de Polignac number, because 25353352521133 - 2¹⁷ = 25353352390061 is a prime.

It is a super-3 number, since 3×25353352521133³ (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 25353352521133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25353352581133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6323691 + ... + 9523432.

It is an arithmetic number, because the mean of its divisors is an integer number (1950368939176).

Almost surely, 2^{25353352521133} is an apocalyptic number.

It is an amenable number.

25353352521133 is a deficient number, since it is larger than the sum of its proper divisors (5852550505683).

25353352521133 is a wasteful number, since it uses less digits than its factorization.

25353352521133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15864724.

The product of its digits is 1215000, while the sum is 43.

Adding to 25353352521133 its reverse (33112525335352), we get a palindrome (58465877856485).

The spelling of 25353352521133 in words is "twenty-five trillion, three hundred fifty-three billion, three hundred fifty-two million, five hundred twenty-one thousand, one hundred thirty-three".