1005126234613 has 4 divisors (see below), whose sum is σ = 1037549661568. Its totient is φ = 972702807660.

The previous prime is 1005126234529. The next prime is 1005126234641. The reversal of 1005126234613 is 3164326215001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1005126234613 - 2³³ = 996536300021 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 (1005126274613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16211713431 + ... + 16211713492.

It is an arithmetic number, because the mean of its divisors is an integer number (259387415392).

Almost surely, 2^{1005126234613} is an apocalyptic number.

It is an amenable number.

1005126234613 is a deficient number, since it is larger than the sum of its proper divisors (32423426955).

1005126234613 is an equidigital number, since it uses as much as digits as its factorization.

1005126234613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32423426954.

The product of its (nonzero) digits is 25920, while the sum is 34.

The spelling of 1005126234613 in words is "one trillion, five billion, one hundred twenty-six million, two hundred thirty-four thousand, six hundred thirteen".