1275166249046 has 8 divisors (see below), whose sum is σ = 1912774303440. Its totient is φ = 637574814568.

The previous prime is 1275166248997. The next prime is 1275166249051. The reversal of 1275166249046 is 6409426615721.

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

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 3961361 + ... + 4271148.

It is an arithmetic number, because the mean of its divisors is an integer number (239096787930).

Almost surely, 2^{1275166249046} is an apocalyptic number.

1275166249046 is a deficient number, since it is larger than the sum of its proper divisors (637608054394).

1275166249046 is an equidigital number, since it uses as much as digits as its factorization.

1275166249046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8309958.

The product of its (nonzero) digits is 4354560, while the sum is 53.

The spelling of 1275166249046 in words is "one trillion, two hundred seventy-five billion, one hundred sixty-six million, two hundred forty-nine thousand, forty-six".