12911069245 has 16 divisors (see below), whose sum is σ = 15553703088. Its totient is φ = 10288650240.

The previous prime is 12911069231. The next prime is 12911069263. The reversal of 12911069245 is 54296011921.

It can be written as a sum of positive squares in 8 ways, for example, as 42889401 + 12868179844 = 6549^2 + 113438^2 .

It is a de Polignac number, because none of the positive numbers 2^k-12911069245 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12911069198 and 12911069207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1577965 + ... + 1586125.

It is an arithmetic number, because the mean of its divisors is an integer number (972106443).

Almost surely, 2^12911069245 is an apocalyptic number.

It is an amenable number.

12911069245 is a deficient number, since it is larger than the sum of its proper divisors (2642633843).

12911069245 is an equidigital number, since it uses as much as digits as its factorization.

12911069245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9360.

The product of its (nonzero) digits is 38880, while the sum is 40.

The spelling of 12911069245 in words is "twelve billion, nine hundred eleven million, sixty-nine thousand, two hundred forty-five".