25506053130 has 32 divisors (see below), whose sum is σ = 61222992768. Its totient is φ = 6800673600.

The previous prime is 25506053129. The next prime is 25506053141. The reversal of 25506053130 is 3135060552.

It is a Harshad number since it is a multiple of its sum of digits (30).

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 15 ways as a sum of consecutive naturals, for example, 177315 + ... + 287145.

It is an arithmetic number, because the mean of its divisors is an integer number (1913218524).

Almost surely, 2^25506053130 is an apocalyptic number.

25506053130 is an abundant number, since it is smaller than the sum of its proper divisors (35716939638).

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

25506053130 is a wasteful number, since it uses less digits than its factorization.

25506053130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117582.

The product of its (nonzero) digits is 13500, while the sum is 30.

The spelling of 25506053130 in words is "twenty-five billion, five hundred six million, fifty-three thousand, one hundred thirty".