1145050311225 has 24 divisors (see below), whose sum is σ = 1893865382080. Its totient is φ = 610462681920.

The previous prime is 1145050311191. The next prime is 1145050311263. The reversal of 1145050311225 is 5221130505411.

It is not a de Polignac number, because 1145050311225 - 2¹² = 1145050307129 is a prime.

It is a super-2 number, since 2×1145050311225² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1145050311192 and 1145050311201.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 2685370 + ... + 3082419.

Almost surely, 2^{1145050311225} is an apocalyptic number.

1145050311225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1145050311225 is a deficient number, since it is larger than the sum of its proper divisors (748815070855).

1145050311225 is a wasteful number, since it uses less digits than its factorization.

1145050311225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5770449 (or 5770444 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 30.

Adding to 1145050311225 its reverse (5221130505411), we get a palindrome (6366180816636).

The spelling of 1145050311225 in words is "one trillion, one hundred forty-five billion, fifty million, three hundred eleven thousand, two hundred twenty-five".