11113321453545 has 128 divisors (see below), whose sum is σ = 19576696978944. Its totient is φ = 5360495099904.

The previous prime is 11113321453543. The next prime is 11113321453573. The reversal of 11113321453545 is 54535412331111.

It is not a de Polignac number, because 11113321453545 - 2¹ = 11113321453543 is a prime.

It is a super-4 number, since 4×11113321453545⁴ (a number of 53 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (11113321453541) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 301703449 + ... + 301740281.

It is an arithmetic number, because the mean of its divisors is an integer number (152942945148).

Almost surely, 2^{11113321453545} is an apocalyptic number.

11113321453545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11113321453545 is a deficient number, since it is larger than the sum of its proper divisors (8463375525399).

11113321453545 is a wasteful number, since it uses less digits than its factorization.

11113321453545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37291.

The product of its digits is 108000, while the sum is 39.

Adding to 11113321453545 its reverse (54535412331111), we get a palindrome (65648733784656).

The spelling of 11113321453545 in words is "eleven trillion, one hundred thirteen billion, three hundred twenty-one million, four hundred fifty-three thousand, five hundred forty-five".