25504120534 has 8 divisors (see below), whose sum is σ = 38256931080. Its totient is φ = 12751810176.

The previous prime is 25504120531. The next prime is 25504120547. The reversal of 25504120534 is 43502140552.

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

It is a junction number, because it is equal to n+sod(n) for n = 25504120496 and 25504120505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25504120531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53302 + ... + 232054.

It is an arithmetic number, because the mean of its divisors is an integer number (4782116385).

Almost surely, 2^25504120534 is an apocalyptic number.

25504120534 is a deficient number, since it is larger than the sum of its proper divisors (12752810546).

25504120534 is a wasteful number, since it uses less digits than its factorization.

25504120534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250094.

The product of its (nonzero) digits is 24000, while the sum is 31.

The spelling of 25504120534 in words is "twenty-five billion, five hundred four million, one hundred twenty thousand, five hundred thirty-four".