1400344112111 has 16 divisors (see below), whose sum is σ = 1608053990400. Its totient is φ = 1194554493888.

The previous prime is 1400344112077. The next prime is 1400344112143. The reversal of 1400344112111 is 1112114430041.

It is not a de Polignac number, because 1400344112111 - 2²⁶ = 1400277003247 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 (1400344132111) 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, 3115070 + ... + 3536148.

It is an arithmetic number, because the mean of its divisors is an integer number (100503374400).

Almost surely, 2^{1400344112111} is an apocalyptic number.

1400344112111 is a deficient number, since it is larger than the sum of its proper divisors (207709878289).

1400344112111 is a wasteful number, since it uses less digits than its factorization.

1400344112111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423358.

The product of its (nonzero) digits is 384, while the sum is 23.

Adding to 1400344112111 its reverse (1112114430041), we get a palindrome (2512458542152).

The spelling of 1400344112111 in words is "one trillion, four hundred billion, three hundred forty-four million, one hundred twelve thousand, one hundred eleven".