11451414544 has 10 divisors (see below), whose sum is σ = 22187115710. Its totient is φ = 5725707264.

The previous prime is 11451414517. The next prime is 11451414571. The reversal of 11451414544 is 44541415411.

It is an interprime number because it is at equal distance from previous prime (11451414517) and next prime (11451414571).

It can be written as a sum of positive squares in only one way, i.e., 7621290000 + 3830124544 = 87300^2 + 61888^2 .

It is a super-2 number, since 2×11451414544² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 357856689 + ... + 357856720.

It is an arithmetic number, because the mean of its divisors is an integer number (2218711571).

Almost surely, 2^11451414544 is an apocalyptic number.

It is an amenable number.

11451414544 is a deficient number, since it is larger than the sum of its proper divisors (10735701166).

11451414544 is an equidigital number, since it uses as much as digits as its factorization.

11451414544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 715713417 (or 715713411 counting only the distinct ones).

The product of its digits is 25600, while the sum is 34.

Adding to 11451414544 its reverse (44541415411), we get a palindrome (55992829955).

The spelling of 11451414544 in words is "eleven billion, four hundred fifty-one million, four hundred fourteen thousand, five hundred forty-four".