1246366742401 has 16 divisors (see below), whose sum is σ = 1374474391488. Its totient is φ = 1120792523200.

The previous prime is 1246366742371. The next prime is 1246366742447. The reversal of 1246366742401 is 1042476636421.

It is a cyclic number.

It is not a de Polignac number, because 1246366742401 - 2²⁵ = 1246333187969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1246366742701) 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, 1287415 + ... + 2037196.

It is an arithmetic number, because the mean of its divisors is an integer number (85904649468).

Almost surely, 2^{1246366742401} is an apocalyptic number.

1246366742401 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1246366742401 is a deficient number, since it is larger than the sum of its proper divisors (128107649087).

1246366742401 is a wasteful number, since it uses less digits than its factorization.

1246366742401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3324992.

The product of its (nonzero) digits is 1161216, while the sum is 46.

The spelling of 1246366742401 in words is "one trillion, two hundred forty-six billion, three hundred sixty-six million, seven hundred forty-two thousand, four hundred one".