25435140353 has 12 divisors (see below), whose sum is σ = 30217347072. Its totient is φ = 21337684200.

The previous prime is 25435140349. The next prime is 25435140371. The reversal of 25435140353 is 35304153452.

It is a happy number.

It is not a de Polignac number, because 25435140353 - 2² = 25435140349 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25435140553) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5519873 + ... + 5524478.

It is an arithmetic number, because the mean of its divisors is an integer number (2518112256).

Almost surely, 2^25435140353 is an apocalyptic number.

It is an amenable number.

25435140353 is a deficient number, since it is larger than the sum of its proper divisors (4782206719).

25435140353 is a wasteful number, since it uses less digits than its factorization.

25435140353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11044412 (or 11044405 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 35.

The spelling of 25435140353 in words is "twenty-five billion, four hundred thirty-five million, one hundred forty thousand, three hundred fifty-three".