11445151345541 has 4 divisors (see below), whose sum is σ = 11446686172812. Its totient is φ = 11443616518272.

The previous prime is 11445151345483. The next prime is 11445151345567. The reversal of 11445151345541 is 14554315154411.

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

It can be written as a sum of positive squares in 2 ways, for example, as 5596110672100 + 5849040673441 = 2365610^2 + 2418479^2 .

It is a cyclic number.

It is not a de Polignac number, because 11445151345541 - 2⁶ = 11445151345477 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11445151345492 and 11445151345501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11445151345591) 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, 767402450 + ... + 767417363.

It is an arithmetic number, because the mean of its divisors is an integer number (2861671543203).

Almost surely, 2^{11445151345541} is an apocalyptic number.

It is an amenable number.

11445151345541 is a deficient number, since it is larger than the sum of its proper divisors (1534827271).

11445151345541 is an equidigital number, since it uses as much as digits as its factorization.

11445151345541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1534827270.

The product of its digits is 480000, while the sum is 44.

Adding to 11445151345541 its reverse (14554315154411), we get a palindrome (25999466499952).

The spelling of 11445151345541 in words is "eleven trillion, four hundred forty-five billion, one hundred fifty-one million, three hundred forty-five thousand, five hundred forty-one".