11123412441378 has 64 divisors (see below), whose sum is σ = 23495821009920. Its totient is φ = 3503558704448.

The previous prime is 11123412441377. The next prime is 11123412441523. The reversal of 11123412441378 is 87314421432111.

It is a happy number.

It is a super-3 number, since 3×11123412441378³ (a number of 40 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (11123412441377) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 155887633 + ... + 155958971.

It is an arithmetic number, because the mean of its divisors is an integer number (367122203280).

Almost surely, 2^{11123412441378} is an apocalyptic number.

11123412441378 is an abundant number, since it is smaller than the sum of its proper divisors (12372408568542).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11123412441378 is a wasteful number, since it uses less digits than its factorization.

11123412441378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85063.

The product of its digits is 129024, while the sum is 42.

Adding to 11123412441378 its reverse (87314421432111), we get a palindrome (98437833873489).

The spelling of 11123412441378 in words is "eleven trillion, one hundred twenty-three billion, four hundred twelve million, four hundred forty-one thousand, three hundred seventy-eight".