1125320166213 has 32 divisors (see below), whose sum is σ = 1560394368000. Its totient is φ = 720598502400.

The previous prime is 1125320166209. The next prime is 1125320166241. The reversal of 1125320166213 is 3126610235211.

It is not a de Polignac number, because 1125320166213 - 2² = 1125320166209 is a prime.

It is a super-2 number, since 2×1125320166213² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1125320168213) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18829543 + ... + 18889211.

It is an arithmetic number, because the mean of its divisors is an integer number (48762324000).

Almost surely, 2^{1125320166213} is an apocalyptic number.

It is an amenable number.

1125320166213 is a deficient number, since it is larger than the sum of its proper divisors (435074201787).

1125320166213 is a wasteful number, since it uses less digits than its factorization.

1125320166213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61213.

The product of its (nonzero) digits is 12960, while the sum is 33.

The spelling of 1125320166213 in words is "one trillion, one hundred twenty-five billion, three hundred twenty million, one hundred sixty-six thousand, two hundred thirteen".