25351053611 has 16 divisors (see below), whose sum is σ = 27986172480. Its totient is φ = 22821004800.

The previous prime is 25351053589. The next prime is 25351053617. The reversal of 25351053611 is 11635015352.

It is a cyclic number.

It is not a de Polignac number, because 25351053611 - 2¹⁴ = 25351037227 is a prime.

It is a super-2 number, since 2×25351053611² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25351053617) 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 15 ways as a sum of consecutive naturals, for example, 65615 + ... + 234536.

It is an arithmetic number, because the mean of its divisors is an integer number (1749135780).

Almost surely, 2^25351053611 is an apocalyptic number.

25351053611 is a deficient number, since it is larger than the sum of its proper divisors (2635118869).

25351053611 is a wasteful number, since it uses less digits than its factorization.

25351053611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300326.

The product of its (nonzero) digits is 13500, while the sum is 32.

Adding to 25351053611 its reverse (11635015352), we get a palindrome (36986068963).

The spelling of 25351053611 in words is "twenty-five billion, three hundred fifty-one million, fifty-three thousand, six hundred eleven".