1046816478131 has 4 divisors (see below), whose sum is σ = 1063977404064. Its totient is φ = 1029655552200.

The previous prime is 1046816478119. The next prime is 1046816478133. The reversal of 1046816478131 is 1318746186401.

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 1046816478131 - 2¹⁰ = 1046816477107 is a prime.

It is a super-2 number, since 2×1046816478131² (a number of 25 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 1046816478131.

It is not an unprimeable number, because it can be changed into a prime (1046816478133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8580462875 + ... + 8580462996.

It is an arithmetic number, because the mean of its divisors is an integer number (265994351016).

Almost surely, 2^{1046816478131} is an apocalyptic number.

1046816478131 is a deficient number, since it is larger than the sum of its proper divisors (17160925933).

1046816478131 is an equidigital number, since it uses as much as digits as its factorization.

1046816478131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17160925932.

The product of its (nonzero) digits is 774144, while the sum is 50.

The spelling of 1046816478131 in words is "one trillion, forty-six billion, eight hundred sixteen million, four hundred seventy-eight thousand, one hundred thirty-one".