12948086545 has 8 divisors (see below), whose sum is σ = 15957642024. Its totient is φ = 10078510464.

The previous prime is 12948086531. The next prime is 12948086551. The reversal of 12948086545 is 54568084921.

It can be written as a sum of positive squares in 4 ways, for example, as 6216376336 + 6731710209 = 78844^2 + 82047^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12948086545 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12948086492 and 12948086501.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34994644 + ... + 34995013.

It is an arithmetic number, because the mean of its divisors is an integer number (1994705253).

Almost surely, 2^12948086545 is an apocalyptic number.

It is an amenable number.

12948086545 is a deficient number, since it is larger than the sum of its proper divisors (3009555479).

12948086545 is an equidigital number, since it uses as much as digits as its factorization.

12948086545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69989699.

The product of its (nonzero) digits is 2764800, while the sum is 52.

The spelling of 12948086545 in words is "twelve billion, nine hundred forty-eight million, eighty-six thousand, five hundred forty-five".