38999011110001 has 2 divisors, whose sum is σ = 38999011110002. Its totient is φ = 38999011110000.

The previous prime is 38999011109987. The next prime is 38999011110019. The reversal of 38999011110001 is 10001111099983.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38924372323600 + 74638786401 = 6238940^2 + 273201^2 .

It is an emirp because it is prime and its reverse (10001111099983) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 38999011110001 - 2¹⁷ = 38999010978929 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 38999011110001.

It is not a weakly prime, because it can be changed into another prime (38999011110041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19499505555000 + 19499505555001.

It is an arithmetic number, because the mean of its divisors is an integer number (19499505555001).

Almost surely, 2^{38999011110001} is an apocalyptic number.

It is an amenable number.

38999011110001 is a deficient number, since it is larger than the sum of its proper divisors (1).

38999011110001 is an equidigital number, since it uses as much as digits as its factorization.

38999011110001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17496, while the sum is 43.

The spelling of 38999011110001 in words is "thirty-eight trillion, nine hundred ninety-nine billion, eleven million, one hundred ten thousand, one".