25135210511 has 8 divisors (see below), whose sum is σ = 25713319104. Its totient is φ = 24558906880.

The previous prime is 25135210501. The next prime is 25135210519. The reversal of 25135210511 is 11501253152.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25135210511 is a prime.

It is a super-2 number, since 2×25135210511² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25135210519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 423050 + ... + 478791.

It is an arithmetic number, because the mean of its divisors is an integer number (3214164888).

Almost surely, 2^25135210511 is an apocalyptic number.

25135210511 is a deficient number, since it is larger than the sum of its proper divisors (578108593).

25135210511 is an equidigital number, since it uses as much as digits as its factorization.

25135210511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 902481.

The product of its (nonzero) digits is 1500, while the sum is 26.

Adding to 25135210511 its reverse (11501253152), we get a palindrome (36636463663).

The spelling of 25135210511 in words is "twenty-five billion, one hundred thirty-five million, two hundred ten thousand, five hundred eleven".