11454123233545 has 8 divisors (see below), whose sum is σ = 13745147758920. Its totient is φ = 9163165334400.

The previous prime is 11454123233513. The next prime is 11454123233549. The reversal of 11454123233545 is 54533232145411.

11454123233545 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 134040925456 + 11320082308089 = 366116^2 + 3364533^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11454123233545 - 2⁵ = 11454123233513 is a prime.

It is a super-2 number, since 2×11454123233545² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11454123233549) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16277556 + ... + 16966645.

It is an arithmetic number, because the mean of its divisors is an integer number (1718143469865).

Almost surely, 2^{11454123233545} is an apocalyptic number.

It is an amenable number.

11454123233545 is a deficient number, since it is larger than the sum of its proper divisors (2291024525375).

11454123233545 is an equidigital number, since it uses as much as digits as its factorization.

11454123233545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33313115.

The product of its digits is 864000, while the sum is 43.

Adding to 11454123233545 its reverse (54533232145411), we get a palindrome (65987355378956).

The spelling of 11454123233545 in words is "eleven trillion, four hundred fifty-four billion, one hundred twenty-three million, two hundred thirty-three thousand, five hundred forty-five".