25054216465 has 8 divisors (see below), whose sum is σ = 30301793280. Its totient is φ = 19885550832.

The previous prime is 25054216459. The next prime is 25054216469. The reversal of 25054216465 is 56461245052.

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 25054216465 - 2¹¹ = 25054214417 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25054216469) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19727095 + ... + 19728364.

It is an arithmetic number, because the mean of its divisors is an integer number (3787724160).

Almost surely, 2^25054216465 is an apocalyptic number.

It is an amenable number.

25054216465 is a deficient number, since it is larger than the sum of its proper divisors (5247576815).

25054216465 is a wasteful number, since it uses less digits than its factorization.

25054216465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39455591.

The product of its (nonzero) digits is 288000, while the sum is 40.

The spelling of 25054216465 in words is "twenty-five billion, fifty-four million, two hundred sixteen thousand, four hundred sixty-five".