400011141204243 has 16 divisors (see below), whose sum is σ = 608625560192160. Its totient is φ = 259466686185888.

The previous prime is 400011141204217. The next prime is 400011141204341. The reversal of 400011141204243 is 342402141110004.

400011141204243 is a `hidden beast` number, since 4 + 0 + 0 + 0 + 1 + 1 + 1 + 412 + 0 + 4 + 243 = 666.

It is not a de Polignac number, because 400011141204243 - 2⁵ = 400011141204211 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (400011141200243) 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, 200205775380 + ... + 200205777377.

It is an arithmetic number, because the mean of its divisors is an integer number (38039097512010).

Almost surely, 2^{400011141204243} is an apocalyptic number.

400011141204243 is a deficient number, since it is larger than the sum of its proper divisors (208614418987917).

400011141204243 is a wasteful number, since it uses less digits than its factorization.

400011141204243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400411552803 (or 400411552797 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

Adding to 400011141204243 its reverse (342402141110004), we get a palindrome (742413282314247).

The spelling of 400011141204243 in words is "four hundred trillion, eleven billion, one hundred forty-one million, two hundred four thousand, two hundred forty-three".