404512051131 has 12 divisors (see below), whose sum is σ = 584300857608. Its totient is φ = 269672082624.

The previous prime is 404512051091. The next prime is 404512051171. The reversal of 404512051131 is 131150215404.

404512051131 is a `hidden beast` number, since 4 + 0 + 451 + 205 + 1 + 1 + 3 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (404512051091) and next prime (404512051171).

It is not a de Polignac number, because 404512051131 - 2¹⁸ = 404511788987 is a prime.

It is a super-2 number, since 2×404512051131² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 404512051095 and 404512051104.

It is not an unprimeable number, because it can be changed into a prime (404512051171) 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 11 ways as a sum of consecutive naturals, for example, 1364931 + ... + 1634643.

It is an arithmetic number, because the mean of its divisors is an integer number (48691738134).

Almost surely, 2^404512051131 is an apocalyptic number.

404512051131 is a deficient number, since it is larger than the sum of its proper divisors (179788806477).

404512051131 is a wasteful number, since it uses less digits than its factorization.

404512051131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 436362 (or 436359 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

Adding to 404512051131 its reverse (131150215404), we get a palindrome (535662266535).

The spelling of 404512051131 in words is "four hundred four billion, five hundred twelve million, fifty-one thousand, one hundred thirty-one".