400011053211 has 32 divisors (see below), whose sum is σ = 738837158400. Its totient is φ = 207797948640.

The previous prime is 400011053207. The next prime is 400011053261. The reversal of 400011053211 is 112350110004.

400011053211 is a `hidden beast` number, since 400 + 0 + 1 + 1 + 0 + 53 + 211 = 666.

It is not a de Polignac number, because 400011053211 - 2² = 400011053207 is a prime.

It is not an unprimeable number, because it can be changed into a prime (400011053261) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 96200676 + ... + 96204833.

It is an arithmetic number, because the mean of its divisors is an integer number (23088661200).

Almost surely, 2^400011053211 is an apocalyptic number.

400011053211 is a deficient number, since it is larger than the sum of its proper divisors (338826105189).

400011053211 is a wasteful number, since it uses less digits than its factorization.

400011053211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192405536 (or 192405530 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

Adding to 400011053211 its reverse (112350110004), we get a palindrome (512361163215).

The spelling of 400011053211 in words is "four hundred billion, eleven million, fifty-three thousand, two hundred eleven".