11145131445426 has 64 divisors (see below), whose sum is σ = 26345810151936. Its totient is φ = 3104725075200.

The previous prime is 11145131445421. The next prime is 11145131445451. The reversal of 11145131445426 is 62454413154111.

11145131445426 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (11145131445421) 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, 115454920 + ... + 115551411.

It is an arithmetic number, because the mean of its divisors is an integer number (411653283624).

Almost surely, 2^{11145131445426} is an apocalyptic number.

11145131445426 is an abundant number, since it is smaller than the sum of its proper divisors (15200678706510).

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

11145131445426 is a wasteful number, since it uses less digits than its factorization.

11145131445426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231006407.

The product of its digits is 230400, while the sum is 42.

Adding to 11145131445426 its reverse (62454413154111), we get a palindrome (73599544599537).

The spelling of 11145131445426 in words is "eleven trillion, one hundred forty-five billion, one hundred thirty-one million, four hundred forty-five thousand, four hundred twenty-six".