1125544352513 has 16 divisors (see below), whose sum is σ = 1298000689920. Its totient is φ = 956037041856.

The previous prime is 1125544352501. The next prime is 1125544352557. The reversal of 1125544352513 is 3152534455211.

It is a cyclic number.

It is not a de Polignac number, because 1125544352513 - 2⁴ = 1125544352497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1125544352573) 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 15 ways as a sum of consecutive naturals, for example, 962933 + ... + 1782786.

It is an arithmetic number, because the mean of its divisors is an integer number (81125043120).

Almost surely, 2^{1125544352513} is an apocalyptic number.

It is an amenable number.

1125544352513 is a deficient number, since it is larger than the sum of its proper divisors (172456337407).

1125544352513 is a wasteful number, since it uses less digits than its factorization.

1125544352513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2746256.

The product of its digits is 360000, while the sum is 41.

The spelling of 1125544352513 in words is "one trillion, one hundred twenty-five billion, five hundred forty-four million, three hundred fifty-two thousand, five hundred thirteen".