400523541211 has 2 divisors, whose sum is σ = 400523541212. Its totient is φ = 400523541210.

The previous prime is 400523541179. The next prime is 400523541251. The reversal of 400523541211 is 112145325004.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 400523541211 - 2⁵ = 400523541179 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 400523541211.

It is not a weakly prime, because it can be changed into another prime (400523541251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200261770605 + 200261770606.

It is an arithmetic number, because the mean of its divisors is an integer number (200261770606).

Almost surely, 2^400523541211 is an apocalyptic number.

400523541211 is a deficient number, since it is larger than the sum of its proper divisors (1).

400523541211 is an equidigital number, since it uses as much as digits as its factorization.

400523541211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 400523541211 its reverse (112145325004), we get a palindrome (512668866215).

The spelling of 400523541211 in words is "four hundred billion, five hundred twenty-three million, five hundred forty-one thousand, two hundred eleven".