25471118496 has 288 divisors, whose sum is σ = 77051943360. Its totient is φ = 7316324352.

The previous prime is 25471118461. The next prime is 25471118503. The reversal of 25471118496 is 69481117452.

It is a Harshad number since it is a multiple of its sum of digits (48).

Its product of digits (483840) is a multiple of the sum of its prime factors (384).

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 170947030 + ... + 170947178.

It is an arithmetic number, because the mean of its divisors is an integer number (267541470).

Almost surely, 2^25471118496 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25471118496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38525971680).

25471118496 is an abundant number, since it is smaller than the sum of its proper divisors (51580824864).

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

25471118496 is a wasteful number, since it uses less digits than its factorization.

25471118496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384 (or 227 counting only the distinct ones).

The product of its digits is 483840, while the sum is 48.

The spelling of 25471118496 in words is "twenty-five billion, four hundred seventy-one million, one hundred eighteen thousand, four hundred ninety-six".