25065477311 has 8 divisors (see below), whose sum is σ = 29312452224. Its totient is φ = 20985050520.

The previous prime is 25065477277. The next prime is 25065477323. The reversal of 25065477311 is 11377456052.

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

It is a de Polignac number, because none of the positive numbers 2^k-25065477311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25065477361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41636705 + ... + 41637306.

It is an arithmetic number, because the mean of its divisors is an integer number (3664056528).

Almost surely, 2^25065477311 is an apocalyptic number.

25065477311 is a deficient number, since it is larger than the sum of its proper divisors (4246974913).

25065477311 is an equidigital number, since it uses as much as digits as its factorization.

25065477311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83274061.

The product of its (nonzero) digits is 176400, while the sum is 41.

The spelling of 25065477311 in words is "twenty-five billion, sixty-five million, four hundred seventy-seven thousand, three hundred eleven".