1144405553353 has 8 divisors (see below), whose sum is σ = 1166339397960. Its totient is φ = 1122679612800.

The previous prime is 1144405553341. The next prime is 1144405553387. The reversal of 1144405553353 is 3533555044411.

It can be written as a sum of positive squares in 4 ways, for example, as 357444949689 + 786960603664 = 597867^2 + 887108^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1144405553353 - 2²⁵ = 1144371998921 is a prime.

It is a super-2 number, since 2×1144405553353² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1144405553653) 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, 51964900 + ... + 51986917.

It is an arithmetic number, because the mean of its divisors is an integer number (145792424745).

Almost surely, 2^{1144405553353} is an apocalyptic number.

It is an amenable number.

1144405553353 is a deficient number, since it is larger than the sum of its proper divisors (21933844607).

1144405553353 is a wasteful number, since it uses less digits than its factorization.

1144405553353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103952027.

The product of its (nonzero) digits is 1080000, while the sum is 43.

The spelling of 1144405553353 in words is "one trillion, one hundred forty-four billion, four hundred five million, five hundred fifty-three thousand, three hundred fifty-three".