25050401512 has 24 divisors (see below), whose sum is σ = 47342497410. Its totient is φ = 12426513120.

The previous prime is 25050401507. The next prime is 25050401533. The reversal of 25050401512 is 21510405052.

It can be written as a sum of positive squares in only one way, i.e., 19587122116 + 5463279396 = 139954^2 + 73914^2 .

It is a super-2 number, since 2×25050401512² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 31962 + ... + 226102.

Almost surely, 2^25050401512 is an apocalyptic number.

It is an amenable number.

25050401512 is a deficient number, since it is larger than the sum of its proper divisors (22292095898).

25050401512 is a wasteful number, since it uses less digits than its factorization.

25050401512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194401 (or 194270 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 25.

Adding to 25050401512 its reverse (21510405052), we get a palindrome (46560806564).

The spelling of 25050401512 in words is "twenty-five billion, fifty million, four hundred one thousand, five hundred twelve".