25551146050 has 48 divisors (see below), whose sum is σ = 47744801280. Its totient is φ = 10173335040.

The previous prime is 25551146041. The next prime is 25551146051. The reversal of 25551146050 is 5064115552.

It is a super-2 number, since 2×25551146050² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 25551145997 and 25551146015.

It is not an unprimeable number, because it can be changed into a prime (25551146051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14525071 + ... + 14526829.

It is an arithmetic number, because the mean of its divisors is an integer number (994683360).

Almost surely, 2^25551146050 is an apocalyptic number.

25551146050 is a deficient number, since it is larger than the sum of its proper divisors (22193655230).

25551146050 is a wasteful number, since it uses less digits than its factorization.

25551146050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2947 (or 2942 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 34.

The spelling of 25551146050 in words is "twenty-five billion, five hundred fifty-one million, one hundred forty-six thousand, fifty".