1040043013106 has 4 divisors (see below), whose sum is σ = 1560064519662. Its totient is φ = 520021506552.

The previous prime is 1040043013103. The next prime is 1040043013129. The reversal of 1040043013106 is 6013103400401.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 945727075225 + 94315937881 = 972485^2 + 307109^2 .

It is a super-2 number, since 2×1040043013106² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1040043013103) 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 as a sum of consecutive naturals, namely, 260010753275 + ... + 260010753278.

Almost surely, 2^{1040043013106} is an apocalyptic number.

1040043013106 is a deficient number, since it is larger than the sum of its proper divisors (520021506556).

1040043013106 is an equidigital number, since it uses as much as digits as its factorization.

1040043013106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 520021506555.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 1040043013106 its reverse (6013103400401), we get a palindrome (7053146413507).

The spelling of 1040043013106 in words is "one trillion, forty billion, forty-three million, thirteen thousand, one hundred six".