401111333243 has 4 divisors (see below), whose sum is σ = 404860037400. Its totient is φ = 397362629088.

The previous prime is 401111333237. The next prime is 401111333317. The reversal of 401111333243 is 342333111104.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 401111333243 - 2⁶ = 401111333179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (401111353243) 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, 1874351918 + ... + 1874352131.

It is an arithmetic number, because the mean of its divisors is an integer number (101215009350).

Almost surely, 2^401111333243 is an apocalyptic number.

401111333243 is a deficient number, since it is larger than the sum of its proper divisors (3748704157).

401111333243 is a wasteful number, since it uses less digits than its factorization.

401111333243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3748704156.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 401111333243 its reverse (342333111104), we get a palindrome (743444444347).

The spelling of 401111333243 in words is "four hundred one billion, one hundred eleven million, three hundred thirty-three thousand, two hundred forty-three".