1125112580065 has 8 divisors (see below), whose sum is σ = 1429554807720. Its totient is φ = 847143589632.

The previous prime is 1125112580057. The next prime is 1125112580071. The reversal of 1125112580065 is 5600852115211.

It can be written as a sum of positive squares in 4 ways, for example, as 34073837281 + 1091038742784 = 184591^2 + 1044528^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1125112580065 - 2³ = 1125112580057 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6618309210 + ... + 6618309379.

It is an arithmetic number, because the mean of its divisors is an integer number (178694350965).

Almost surely, 2^{1125112580065} is an apocalyptic number.

It is an amenable number.

1125112580065 is a deficient number, since it is larger than the sum of its proper divisors (304442227655).

1125112580065 is a wasteful number, since it uses less digits than its factorization.

1125112580065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13236618611.

The product of its (nonzero) digits is 24000, while the sum is 37.

Adding to 1125112580065 its reverse (5600852115211), we get a palindrome (6725964695276).

The spelling of 1125112580065 in words is "one trillion, one hundred twenty-five billion, one hundred twelve million, five hundred eighty thousand, sixty-five".