11454306220513 has 4 divisors (see below), whose sum is σ = 12335406699028. Its totient is φ = 10573205742000.

The previous prime is 11454306220507. The next prime is 11454306220523. The reversal of 11454306220513 is 31502260345411.

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 3009836372544 + 8444469847969 = 1734888^2 + 2905937^2 .

It is a cyclic number.

It is not a de Polignac number, because 11454306220513 - 2⁵ = 11454306220481 is a prime.

It is a super-2 number, since 2×11454306220513² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11454306220523) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 440550239238 + ... + 440550239263.

It is an arithmetic number, because the mean of its divisors is an integer number (3083851674757).

Almost surely, 2^{11454306220513} is an apocalyptic number.

11454306220513 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

11454306220513 is a deficient number, since it is larger than the sum of its proper divisors (881100478515).

11454306220513 is an equidigital number, since it uses as much as digits as its factorization.

11454306220513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 881100478514.

The product of its (nonzero) digits is 86400, while the sum is 37.

Adding to 11454306220513 its reverse (31502260345411), we get a palindrome (42956566565924).

The spelling of 11454306220513 in words is "eleven trillion, four hundred fifty-four billion, three hundred six million, two hundred twenty thousand, five hundred thirteen".