10400344111 has 4 divisors (see below), whose sum is σ = 10517202000. Its totient is φ = 10283486224.

The previous prime is 10400344103. The next prime is 10400344117. The reversal of 10400344111 is 11144300401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11144300401 = 13 ⋅857253877.

It is a cyclic number.

It is not a de Polignac number, because 10400344111 - 2³ = 10400344103 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 (10400344117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58428811 + ... + 58428988.

It is an arithmetic number, because the mean of its divisors is an integer number (2629300500).

Almost surely, 2^10400344111 is an apocalyptic number.

10400344111 is a deficient number, since it is larger than the sum of its proper divisors (116857889).

10400344111 is an equidigital number, since it uses as much as digits as its factorization.

10400344111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116857888.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 10400344111 its reverse (11144300401), we get a palindrome (21544644512).

The spelling of 10400344111 in words is "ten billion, four hundred million, three hundred forty-four thousand, one hundred eleven".