25513110601 has 8 divisors (see below), whose sum is σ = 27834285600. Its totient is φ = 23192235840.

The previous prime is 25513110599. The next prime is 25513110629. The reversal of 25513110601 is 10601131552.

It is a happy number.

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 25513110601 - 2¹ = 25513110599 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25513110661) 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, 126070 + ... + 258688.

It is an arithmetic number, because the mean of its divisors is an integer number (3479285700).

Almost surely, 2^25513110601 is an apocalyptic number.

It is an amenable number.

25513110601 is a deficient number, since it is larger than the sum of its proper divisors (2321174999).

25513110601 is a wasteful number, since it uses less digits than its factorization.

25513110601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150119.

The product of its (nonzero) digits is 900, while the sum is 25.

The spelling of 25513110601 in words is "twenty-five billion, five hundred thirteen million, one hundred ten thousand, six hundred one".