406526106063551 has 4 divisors (see below), whose sum is σ = 406629206779152. Its totient is φ = 406423005347952.

The previous prime is 406526106063533. The next prime is 406526106063563. The reversal of 406526106063551 is 155360601625604.

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 406526106063551 - 2³⁴ = 406508926194367 is a prime.

It is a super-2 number, since 2×406526106063551² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 406526106063551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406526106063251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51550351886 + ... + 51550359771.

It is an arithmetic number, because the mean of its divisors is an integer number (101657301694788).

Almost surely, 2^{406526106063551} is an apocalyptic number.

406526106063551 is a deficient number, since it is larger than the sum of its proper divisors (103100715601).

406526106063551 is a wasteful number, since it uses less digits than its factorization.

406526106063551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103100715600.

The product of its (nonzero) digits is 3888000, while the sum is 50.

The spelling of 406526106063551 in words is "four hundred six trillion, five hundred twenty-six billion, one hundred six million, sixty-three thousand, five hundred fifty-one".