25050025052778 has 32 divisors (see below), whose sum is σ = 55185227315712. Its totient is φ = 7517218460400.

The previous prime is 25050025052777. The next prime is 25050025052783. The reversal of 25050025052778 is 87725052005052.

It is not an unprimeable number, because it can be changed into a prime (25050025052777) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1842448708 + ... + 1842462303.

It is an arithmetic number, because the mean of its divisors is an integer number (1724538353616).

Almost surely, 2^{25050025052778} is an apocalyptic number.

25050025052778 is an abundant number, since it is smaller than the sum of its proper divisors (30135202262934).

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

25050025052778 is a wasteful number, since it uses less digits than its factorization.

25050025052778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3684911130.

The product of its (nonzero) digits is 1960000, while the sum is 48.

The spelling of 25050025052778 in words is "twenty-five trillion, fifty billion, twenty-five million, fifty-two thousand, seven hundred seventy-eight".