1144497238553 has 2 divisors, whose sum is σ = 1144497238554. Its totient is φ = 1144497238552.

The previous prime is 1144497238531. The next prime is 1144497238583. The reversal of 1144497238553 is 3558327944411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 912049830169 + 232447408384 = 955013^2 + 482128^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1144497238553 is a prime.

It is not a weakly prime, because it can be changed into another prime (1144497238583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 572248619276 + 572248619277.

It is an arithmetic number, because the mean of its divisors is an integer number (572248619277).

Almost surely, 2^{1144497238553} is an apocalyptic number.

It is an amenable number.

1144497238553 is a deficient number, since it is larger than the sum of its proper divisors (1).

1144497238553 is an equidigital number, since it uses as much as digits as its factorization.

1144497238553 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14515200, while the sum is 56.

The spelling of 1144497238553 in words is "one trillion, one hundred forty-four billion, four hundred ninety-seven million, two hundred thirty-eight thousand, five hundred fifty-three".