25535531514 has 8 divisors (see below), whose sum is σ = 51071063040. Its totient is φ = 8511843836.

The previous prime is 25535531491. The next prime is 25535531533. The reversal of 25535531514 is 41513553552.

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

25535531514 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2127960954 + ... + 2127960965.

It is an arithmetic number, because the mean of its divisors is an integer number (6383882880).

Almost surely, 2^25535531514 is an apocalyptic number.

25535531514 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25535531514 is a wasteful number, since it uses less digits than its factorization.

25535531514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4255921924.

The product of its digits is 225000, while the sum is 39.

The spelling of 25535531514 in words is "twenty-five billion, five hundred thirty-five million, five hundred thirty-one thousand, five hundred fourteen".