12861450164145 has 48 divisors (see below), whose sum is σ = 22627237560768. Its totient is φ = 6186752127360.

The previous prime is 12861450164063. The next prime is 12861450164201. The reversal of 12861450164145 is 54146105416821.

12861450164145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12861450164145 - 2⁸ = 12861450163889 is a prime.

It is a super-3 number, since 3×12861450164145³ (a number of 40 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12861450164094 and 12861450164103.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 244887 + ... + 5077683.

It is an arithmetic number, because the mean of its divisors is an integer number (471400782516).

Almost surely, 2^{12861450164145} is an apocalyptic number.

12861450164145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12861450164145 is a deficient number, since it is larger than the sum of its proper divisors (9765787396623).

12861450164145 is a wasteful number, since it uses less digits than its factorization.

12861450164145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4833070 (or 4832943 counting only the distinct ones).

The product of its (nonzero) digits is 921600, while the sum is 48.

The spelling of 12861450164145 in words is "twelve trillion, eight hundred sixty-one billion, four hundred fifty million, one hundred sixty-four thousand, one hundred forty-five".