25505300050 has 24 divisors (see below), whose sum is σ = 47648865456. Its totient is φ = 10157172240.

The previous prime is 25505300017. The next prime is 25505300099. The reversal of 25505300050 is 5000350552.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a junction number, because it is equal to n+sod(n) for n = 25505299988 and 25505300024.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1112232 + ... + 1134931.

It is an arithmetic number, because the mean of its divisors is an integer number (1985369394).

Almost surely, 2^25505300050 is an apocalyptic number.

25505300050 is a deficient number, since it is larger than the sum of its proper divisors (22143565406).

25505300050 is a wasteful number, since it uses less digits than its factorization.

25505300050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2247402 (or 2247397 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 25.

The spelling of 25505300050 in words is "twenty-five billion, five hundred five million, three hundred thousand, fifty".