25004775050 has 24 divisors (see below), whose sum is σ = 47069237376. Its totient is φ = 9881403440.

The previous prime is 25004775049. The next prime is 25004775053. The reversal of 25004775050 is 5057740052.

It is a happy number.

It is a super-2 number, since 2×25004775050² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 25004775050.

It is not an unprimeable number, because it can be changed into a prime (25004775053) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 3008474 + ... + 3016773.

It is an arithmetic number, because the mean of its divisors is an integer number (1961218224).

Almost surely, 2^25004775050 is an apocalyptic number.

25004775050 is a deficient number, since it is larger than the sum of its proper divisors (22064462326).

25004775050 is a wasteful number, since it uses less digits than its factorization.

25004775050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6025342 (or 6025337 counting only the distinct ones).

The product of its (nonzero) digits is 49000, while the sum is 35.

The spelling of 25004775050 in words is "twenty-five billion, four million, seven hundred seventy-five thousand, fifty".