1125071761636 has 81 divisors (see below), whose sum is σ = 2106096213123. Its totient is φ = 525807229680.

The previous prime is 1125071761621. The next prime is 1125071761643. The reversal of 1125071761636 is 6361671705211.

The square root of 1125071761636 is 1060694.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

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 26 ways as a sum of consecutive naturals, for example, 4151556181 + ... + 4151556451.

Almost surely, 2^{1125071761636} is an apocalyptic number.

1125071761636 is the 1060694-th square number.

It is an amenable number.

1125071761636 is a deficient number, since it is larger than the sum of its proper divisors (981024451487).

1125071761636 is an equidigital number, since it uses as much as digits as its factorization.

1125071761636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 790 (or 395 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 46.

The spelling of 1125071761636 in words is "one trillion, one hundred twenty-five billion, seventy-one million, seven hundred sixty-one thousand, six hundred thirty-six".