25801480547 has 8 divisors (see below), whose sum is σ = 26171606640. Its totient is φ = 25431805440.

The previous prime is 25801480469. The next prime is 25801480561. The reversal of 25801480547 is 74508410852.

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 25801480547 - 2⁸ = 25801480291 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25801480498 and 25801480507.

It is not an unprimeable number, because it can be changed into a prime (25801485547) 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, 3347 + ... + 227187.

It is an arithmetic number, because the mean of its divisors is an integer number (3271450830).

Almost surely, 2^25801480547 is an apocalyptic number.

25801480547 is a deficient number, since it is larger than the sum of its proper divisors (370126093).

25801480547 is a wasteful number, since it uses less digits than its factorization.

25801480547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225493.

The product of its (nonzero) digits is 358400, while the sum is 44.

The spelling of 25801480547 in words is "twenty-five billion, eight hundred one million, four hundred eighty thousand, five hundred forty-seven".