1125081331266 has 8 divisors (see below), whose sum is σ = 2250162662544. Its totient is φ = 375027110420.

The previous prime is 1125081331259. The next prime is 1125081331303. The reversal of 1125081331266 is 6621331805211.

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

1125081331266 is an admirable 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 3 ways as a sum of consecutive naturals, for example, 93756777600 + ... + 93756777611.

It is an arithmetic number, because the mean of its divisors is an integer number (281270332818).

Almost surely, 2^{1125081331266} is an apocalyptic number.

1125081331266 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1125081331266 is a wasteful number, since it uses less digits than its factorization.

1125081331266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187513555216.

The product of its (nonzero) digits is 51840, while the sum is 39.

The spelling of 1125081331266 in words is "one trillion, one hundred twenty-five billion, eighty-one million, three hundred thirty-one thousand, two hundred sixty-six".