1426181781895 has 24 divisors (see below), whose sum is σ = 1853390787696. Its totient is φ = 1053067661568.

The previous prime is 1426181781833. The next prime is 1426181781911. The reversal of 1426181781895 is 5981871816241.

It is not a de Polignac number, because 1426181781895 - 2¹⁵ = 1426181749127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8265747 + ... + 8436523.

It is an arithmetic number, because the mean of its divisors is an integer number (77224616154).

Almost surely, 2^{1426181781895} is an apocalyptic number.

1426181781895 is a deficient number, since it is larger than the sum of its proper divisors (427209005801).

1426181781895 is a wasteful number, since it uses less digits than its factorization.

1426181781895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180691 (or 180678 counting only the distinct ones).

The product of its digits is 7741440, while the sum is 61.

The spelling of 1426181781895 in words is "one trillion, four hundred twenty-six billion, one hundred eighty-one million, seven hundred eighty-one thousand, eight hundred ninety-five".