12140678511 has 24 divisors (see below), whose sum is σ = 18889315536. Its totient is φ = 7469677440.

The previous prime is 12140678509. The next prime is 12140678513. The reversal of 12140678511 is 11587604121.

It is an interprime number because it is at equal distance from previous prime (12140678509) and next prime (12140678513).

It is not a de Polignac number, because 12140678511 - 2¹ = 12140678509 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12140678513) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 930811 + ... + 943763.

It is an arithmetic number, because the mean of its divisors is an integer number (787054814).

Almost surely, 2^12140678511 is an apocalyptic number.

12140678511 is a deficient number, since it is larger than the sum of its proper divisors (6748637025).

12140678511 is a wasteful number, since it uses less digits than its factorization.

12140678511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20983 (or 20980 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 36.

The spelling of 12140678511 in words is "twelve billion, one hundred forty million, six hundred seventy-eight thousand, five hundred eleven".