11451454216144 has 20 divisors (see below), whose sum is σ = 22209446529124. Its totient is φ = 5719984144128.

The previous prime is 11451454216087. The next prime is 11451454216183. The reversal of 11451454216144 is 44161245415411.

It can be written as a sum of positive squares in 2 ways, for example, as 9010322958400 + 2441131257744 = 3001720^2 + 1562412^2 .

It is a super-2 number, since 2×11451454216144² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11451454216144.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 358918797 + ... + 358950700.

Almost surely, 2^{11451454216144} is an apocalyptic number.

It is an amenable number.

11451454216144 is a deficient number, since it is larger than the sum of its proper divisors (10757992312980).

11451454216144 is an equidigital number, since it uses as much as digits as its factorization.

11451454216144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 717870502 (or 717870496 counting only the distinct ones).

The product of its digits is 307200, while the sum is 43.

The spelling of 11451454216144 in words is "eleven trillion, four hundred fifty-one billion, four hundred fifty-four million, two hundred sixteen thousand, one hundred forty-four".