1012432626505 has 4 divisors (see below), whose sum is σ = 1214919151812. Its totient is φ = 809946101200.

The previous prime is 1012432626479. The next prime is 1012432626533. The reversal of 1012432626505 is 5056262342101.

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

It can be written as a sum of positive squares in 2 ways, for example, as 534823091856 + 477609534649 = 731316^2 + 691093^2 .

It is not a de Polignac number, because 1012432626505 - 2²³ = 1012424237897 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101243262646 + ... + 101243262655.

It is an arithmetic number, because the mean of its divisors is an integer number (303729787953).

Almost surely, 2^{1012432626505} is an apocalyptic number.

It is an amenable number.

1012432626505 is a deficient number, since it is larger than the sum of its proper divisors (202486525307).

1012432626505 is an equidigital number, since it uses as much as digits as its factorization.

1012432626505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202486525306.

The product of its (nonzero) digits is 86400, while the sum is 37.

Adding to 1012432626505 its reverse (5056262342101), we get a palindrome (6068694968606).

The spelling of 1012432626505 in words is "one trillion, twelve billion, four hundred thirty-two million, six hundred twenty-six thousand, five hundred five".