11401044343 has 16 divisors (see below), whose sum is σ = 12444544000. Its totient is φ = 10381569120.

The previous prime is 11401044341. The next prime is 11401044349. The reversal of 11401044343 is 34344010411.

It is not a de Polignac number, because 11401044343 - 2¹ = 11401044341 is a prime.

It is a super-2 number, since 2×11401044343² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11401044341) 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, 1321558 + ... + 1330156.

It is an arithmetic number, because the mean of its divisors is an integer number (777784000).

Almost surely, 2^11401044343 is an apocalyptic number.

11401044343 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

11401044343 is a deficient number, since it is larger than the sum of its proper divisors (1043499657).

11401044343 is a wasteful number, since it uses less digits than its factorization.

11401044343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9982.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 11401044343 its reverse (34344010411), we get a palindrome (45745054754).

The spelling of 11401044343 in words is "eleven billion, four hundred one million, forty-four thousand, three hundred forty-three".