25048688451 has 8 divisors (see below), whose sum is σ = 33544096080. Its totient is φ = 16626203232.

The previous prime is 25048688449. The next prime is 25048688503. The reversal of 25048688451 is 15488684052.

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

It is not a de Polignac number, because 25048688451 - 2¹ = 25048688449 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25048688394 and 25048688403.

It is not an unprimeable number, because it can be changed into a prime (25048688351) 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, 18229800 + ... + 18231173.

It is an arithmetic number, because the mean of its divisors is an integer number (4193012010).

Almost surely, 2^25048688451 is an apocalyptic number.

25048688451 is a deficient number, since it is larger than the sum of its proper divisors (8495407629).

25048688451 is a wasteful number, since it uses less digits than its factorization.

25048688451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36461205.

The product of its (nonzero) digits is 2457600, while the sum is 51.

The spelling of 25048688451 in words is "twenty-five billion, forty-eight million, six hundred eighty-eight thousand, four hundred fifty-one".