38811226023281 has 2 divisors, whose sum is σ = 38811226023282. Its totient is φ = 38811226023280.

The previous prime is 38811226023247. The next prime is 38811226023289. The reversal of 38811226023281 is 18232062211883.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29859066279025 + 8952159744256 = 5464345^2 + 2992016^2 .

It is a cyclic number.

It is not a de Polignac number, because 38811226023281 - 2³⁰ = 38810152281457 is a prime.

It is a super-2 number, since 2×38811226023281² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (38811226023289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19405613011640 + 19405613011641.

It is an arithmetic number, because the mean of its divisors is an integer number (19405613011641).

Almost surely, 2^{38811226023281} is an apocalyptic number.

It is an amenable number.

38811226023281 is a deficient number, since it is larger than the sum of its proper divisors (1).

38811226023281 is an equidigital number, since it uses as much as digits as its factorization.

38811226023281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 442368, while the sum is 47.

The spelling of 38811226023281 in words is "thirty-eight trillion, eight hundred eleven billion, two hundred twenty-six million, twenty-three thousand, two hundred eighty-one".