12014125511 has 4 divisors (see below), whose sum is σ = 12014538624. Its totient is φ = 12013712400.

The previous prime is 12014125493. The next prime is 12014125517. The reversal of 12014125511 is 11552141021.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12014125511 - 2⁶ = 12014125447 is a prime.

It is a super-2 number, since 2×12014125511² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12014125517) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 159335 + ... + 222296.

It is an arithmetic number, because the mean of its divisors is an integer number (3003634656).

Almost surely, 2^12014125511 is an apocalyptic number.

12014125511 is a deficient number, since it is larger than the sum of its proper divisors (413113).

12014125511 is an equidigital number, since it uses as much as digits as its factorization.

12014125511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413112.

The product of its (nonzero) digits is 400, while the sum is 23.

Adding to 12014125511 its reverse (11552141021), we get a palindrome (23566266532).

The spelling of 12014125511 in words is "twelve billion, fourteen million, one hundred twenty-five thousand, five hundred eleven".