12626551043 has 4 divisors (see below), whose sum is σ = 12778678248. Its totient is φ = 12474423840.

The previous prime is 12626551039. The next prime is 12626551079. The reversal of 12626551043 is 34015562621.

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 12626551043 - 2² = 12626551039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12626550994 and 12626551012.

It is not an unprimeable number, because it can be changed into a prime (12626551033) 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, 76063478 + ... + 76063643.

It is an arithmetic number, because the mean of its divisors is an integer number (3194669562).

Almost surely, 2^12626551043 is an apocalyptic number.

12626551043 is a deficient number, since it is larger than the sum of its proper divisors (152127205).

12626551043 is an equidigital number, since it uses as much as digits as its factorization.

12626551043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152127204.

The product of its (nonzero) digits is 43200, while the sum is 35.

The spelling of 12626551043 in words is "twelve billion, six hundred twenty-six million, five hundred fifty-one thousand, forty-three".