1145520410225 has 12 divisors (see below), whose sum is σ = 1420459127580. Its totient is φ = 916407412800.

The previous prime is 1145520410179. The next prime is 1145520410239. The reversal of 1145520410225 is 5220140255411.

It can be written as a sum of positive squares in 6 ways, for example, as 29235186289 + 1116285223936 = 170983^2 + 1056544^2 .

It is not a de Polignac number, because 1145520410225 - 2³⁸ = 870642503281 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1145520410191 and 1145520410200.

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, 3877031 + ... + 4162019.

It is an arithmetic number, because the mean of its divisors is an integer number (118371593965).

Almost surely, 2^{1145520410225} is an apocalyptic number.

It is an amenable number.

1145520410225 is a deficient number, since it is larger than the sum of its proper divisors (274938717355).

1145520410225 is a wasteful number, since it uses less digits than its factorization.

1145520410225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445780 (or 445775 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 32.

Adding to 1145520410225 its reverse (5220140255411), we get a palindrome (6365660665636).

The spelling of 1145520410225 in words is "one trillion, one hundred forty-five billion, five hundred twenty million, four hundred ten thousand, two hundred twenty-five".