111412026413 has 4 divisors (see below), whose sum is σ = 114423162300. Its totient is φ = 108400890528.

The previous prime is 111412026391. The next prime is 111412026433. The reversal of 111412026413 is 314620214111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 314620214111 = 7 ⋅44945744873.

It can be written as a sum of positive squares in 2 ways, for example, as 96036770404 + 15375256009 = 309898^2 + 123997^2 .

It is a cyclic number.

It is not a de Polignac number, because 111412026413 - 2²⁴ = 111395249197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111412026433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1505567888 + ... + 1505567961.

It is an arithmetic number, because the mean of its divisors is an integer number (28605790575).

Almost surely, 2^111412026413 is an apocalyptic number.

It is an amenable number.

111412026413 is a deficient number, since it is larger than the sum of its proper divisors (3011135887).

111412026413 is an equidigital number, since it uses as much as digits as its factorization.

111412026413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3011135886.

The product of its (nonzero) digits is 1152, while the sum is 26.

The spelling of 111412026413 in words is "one hundred eleven billion, four hundred twelve million, twenty-six thousand, four hundred thirteen".