25405305015133 has 8 divisors (see below), whose sum is σ = 25836096749760. Its totient is φ = 24974519725440.

The previous prime is 25405305015127. The next prime is 25405305015149. The reversal of 25405305015133 is 33151050350452.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25405305015133 - 2²⁹ = 25404768144221 is a prime.

It is a super-2 number, since 2×25405305015133² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25405305015092 and 25405305015101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25405305075133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6699816 + ... + 9782542.

It is an arithmetic number, because the mean of its divisors is an integer number (3229512093720).

Almost surely, 2^{25405305015133} is an apocalyptic number.

It is an amenable number.

25405305015133 is a deficient number, since it is larger than the sum of its proper divisors (430791734627).

25405305015133 is a wasteful number, since it uses less digits than its factorization.

25405305015133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3222467.

The product of its (nonzero) digits is 135000, while the sum is 37.

Adding to 25405305015133 its reverse (33151050350452), we get a palindrome (58556355365585).

The spelling of 25405305015133 in words is "twenty-five trillion, four hundred five billion, three hundred five million, fifteen thousand, one hundred thirty-three".