12654503511 has 12 divisors (see below), whose sum is σ = 18270408168. Its totient is φ = 7787386464.

The previous prime is 12654503473. The next prime is 12654503513. The reversal of 12654503511 is 11530545621.

12654503511 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 12654503511 - 2⁶ = 12654503447 is a prime.

It is a super-2 number, since 2×12654503511² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12654503513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12479280 + ... + 12480293.

It is an arithmetic number, because the mean of its divisors is an integer number (1522534014).

Almost surely, 2^12654503511 is an apocalyptic number.

12654503511 is a deficient number, since it is larger than the sum of its proper divisors (5615904657).

12654503511 is a wasteful number, since it uses less digits than its factorization.

12654503511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24959602 (or 24959589 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 33.

The spelling of 12654503511 in words is "twelve billion, six hundred fifty-four million, five hundred three thousand, five hundred eleven".