12811029848961 has 32 divisors (see below), whose sum is σ = 17204284764288. Its totient is φ = 8479347287040.

The previous prime is 12811029848951. The next prime is 12811029848999. The reversal of 12811029848961 is 16984892011821.

It is not a de Polignac number, because 12811029848961 - 2²⁶ = 12810962740097 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12811029848895 and 12811029848904.

It is not an unprimeable number, because it can be changed into a prime (12811029848951) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2808818121 + ... + 2808822681.

It is an arithmetic number, because the mean of its divisors is an integer number (537633898884).

Almost surely, 2^{12811029848961} is an apocalyptic number.

It is an amenable number.

12811029848961 is a deficient number, since it is larger than the sum of its proper divisors (4393254915327).

12811029848961 is a wasteful number, since it uses less digits than its factorization.

12811029848961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9521.

The product of its (nonzero) digits is 3981312, while the sum is 60.

The spelling of 12811029848961 in words is "twelve trillion, eight hundred eleven billion, twenty-nine million, eight hundred forty-eight thousand, nine hundred sixty-one".