25503272047 has 8 divisors (see below), whose sum is σ = 28277846352. Its totient is φ = 22804713600.

The previous prime is 25503272033. The next prime is 25503272111. The reversal of 25503272047 is 74027230552.

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 25503272047 - 2⁷ = 25503271919 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25503271997 and 25503272015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25503272147) 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, 19003258 + ... + 19004599.

It is an arithmetic number, because the mean of its divisors is an integer number (3534730794).

Almost surely, 2^25503272047 is an apocalyptic number.

25503272047 is a deficient number, since it is larger than the sum of its proper divisors (2774574305).

25503272047 is a wasteful number, since it uses less digits than its factorization.

25503272047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38007929.

The product of its (nonzero) digits is 117600, while the sum is 37.

The spelling of 25503272047 in words is "twenty-five billion, five hundred three million, two hundred seventy-two thousand, forty-seven".