12351542111 has 16 divisors (see below), whose sum is σ = 12735283968. Its totient is φ = 11975371200.

The previous prime is 12351542053. The next prime is 12351542171. The reversal of 12351542111 is 11124515321.

It is a cyclic number.

It is not a de Polignac number, because 12351542111 - 2¹⁰ = 12351541087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12351542171) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1017206 + ... + 1029276.

It is an arithmetic number, because the mean of its divisors is an integer number (795955248).

Almost surely, 2^12351542111 is an apocalyptic number.

12351542111 is a deficient number, since it is larger than the sum of its proper divisors (383741857).

12351542111 is a wasteful number, since it uses less digits than its factorization.

12351542111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12382.

The product of its digits is 1200, while the sum is 26.

The spelling of 12351542111 in words is "twelve billion, three hundred fifty-one million, five hundred forty-two thousand, one hundred eleven".