25500050050530 has 32 divisors (see below), whose sum is σ = 66763767405888. Its totient is φ = 6181830315200.

The previous prime is 25500050050477. The next prime is 25500050050547. The reversal of 25500050050530 is 3505005000552.

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

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38636439141 + ... + 38636439800.

It is an arithmetic number, because the mean of its divisors is an integer number (2086367731434).

Almost surely, 2^{25500050050530} is an apocalyptic number.

25500050050530 is an abundant number, since it is smaller than the sum of its proper divisors (41263717355358).

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

25500050050530 is a wasteful number, since it uses less digits than its factorization.

25500050050530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77272878962.

The product of its (nonzero) digits is 18750, while the sum is 30.

The spelling of 25500050050530 in words is "twenty-five trillion, five hundred billion, fifty million, fifty thousand, five hundred thirty".