406131546511 has 4 divisors (see below), whose sum is σ = 409329432832. Its totient is φ = 402933660192.

The previous prime is 406131546479. The next prime is 406131546551. The reversal of 406131546511 is 115645131604.

It is a happy number.

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 406131546511 - 2⁵ = 406131546479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406131546551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1598942970 + ... + 1598943223.

It is an arithmetic number, because the mean of its divisors is an integer number (102332358208).

Almost surely, 2^406131546511 is an apocalyptic number.

406131546511 is a deficient number, since it is larger than the sum of its proper divisors (3197886321).

406131546511 is a wasteful number, since it uses less digits than its factorization.

406131546511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3197886320.

The product of its (nonzero) digits is 43200, while the sum is 37.

The spelling of 406131546511 in words is "four hundred six billion, one hundred thirty-one million, five hundred forty-six thousand, five hundred eleven".