1125756622178 has 4 divisors (see below), whose sum is σ = 1688634933270. Its totient is φ = 562878311088.

The previous prime is 1125756622121. The next prime is 1125756622217. The reversal of 1125756622178 is 8712266575211.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 786213835969 + 339542786209 = 886687^2 + 582703^2 .

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 as a sum of consecutive naturals, namely, 281439155543 + ... + 281439155546.

Almost surely, 2^{1125756622178} is an apocalyptic number.

1125756622178 is a deficient number, since it is larger than the sum of its proper divisors (562878311092).

1125756622178 is an equidigital number, since it uses as much as digits as its factorization.

1125756622178 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 562878311091.

The product of its digits is 2822400, while the sum is 53.

The spelling of 1125756622178 in words is "one trillion, one hundred twenty-five billion, seven hundred fifty-six million, six hundred twenty-two thousand, one hundred seventy-eight".