1268187044001 has 16 divisors (see below), whose sum is σ = 1718678539200. Its totient is φ = 831577475520.

The previous prime is 1268187043987. The next prime is 1268187044009. The reversal of 1268187044001 is 1004407818621.

It is not a de Polignac number, because 1268187044001 - 2¹⁹ = 1268186519713 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1268187044009) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 11859891 + ... + 11966343.

It is an arithmetic number, because the mean of its divisors is an integer number (107417408700).

Almost surely, 2^{1268187044001} is an apocalyptic number.

It is an amenable number.

1268187044001 is a deficient number, since it is larger than the sum of its proper divisors (450491495199).

1268187044001 is a wasteful number, since it uses less digits than its factorization.

1268187044001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171616.

The product of its (nonzero) digits is 86016, while the sum is 42.

The spelling of 1268187044001 in words is "one trillion, two hundred sixty-eight billion, one hundred eighty-seven million, forty-four thousand, one".