1344623261111 has 16 divisors (see below), whose sum is σ = 1466467215360. Its totient is φ = 1225411256160.

The previous prime is 1344623261041. The next prime is 1344623261123. The reversal of 1344623261111 is 1111623264431.

It is not a de Polignac number, because 1344623261111 - 2¹⁰ = 1344623260087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1344623261171) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33154916 + ... + 33195446.

It is an arithmetic number, because the mean of its divisors is an integer number (91654200960).

Almost surely, 2^{1344623261111} is an apocalyptic number.

1344623261111 is a deficient number, since it is larger than the sum of its proper divisors (121843954249).

1344623261111 is a wasteful number, since it uses less digits than its factorization.

1344623261111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72926.

The product of its digits is 20736, while the sum is 35.

The spelling of 1344623261111 in words is "one trillion, three hundred forty-four billion, six hundred twenty-three million, two hundred sixty-one thousand, one hundred eleven".