406528375111 has 16 divisors (see below), whose sum is σ = 428854031200. Its totient is φ = 384296140800.

The previous prime is 406528375087. The next prime is 406528375129. The reversal of 406528375111 is 111573825604.

It is a 14-Lehmer number, since φ(406528375111) divides (406528375111-1)¹⁴.

It is a cyclic number.

It is not a de Polignac number, because 406528375111 - 2⁵ = 406528375079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406528175111) 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, 54279655 + ... + 54287143.

It is an arithmetic number, because the mean of its divisors is an integer number (26803376950).

Almost surely, 2^406528375111 is an apocalyptic number.

406528375111 is the 285142-nd centered decagonal number.

406528375111 is a deficient number, since it is larger than the sum of its proper divisors (22325656089).

406528375111 is a wasteful number, since it uses less digits than its factorization.

406528375111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13330.

The product of its (nonzero) digits is 201600, while the sum is 43.

The spelling of 406528375111 in words is "four hundred six billion, five hundred twenty-eight million, three hundred seventy-five thousand, one hundred eleven".