28038125411701 has 2 divisors, whose sum is σ = 28038125411702. Its totient is φ = 28038125411700.

The previous prime is 28038125411687. The next prime is 28038125411713. The reversal of 28038125411701 is 10711452183082.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18038622896100 + 9999502515601 = 4247190^2 + 3162199^2 .

It is a cyclic number.

It is not a de Polignac number, because 28038125411701 - 2⁷ = 28038125411573 is a prime.

It is a super-2 number, since 2×28038125411701² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28038125411741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14019062705850 + 14019062705851.

It is an arithmetic number, because the mean of its divisors is an integer number (14019062705851).

Almost surely, 2^{28038125411701} is an apocalyptic number.

It is an amenable number.

28038125411701 is a deficient number, since it is larger than the sum of its proper divisors (1).

28038125411701 is an equidigital number, since it uses as much as digits as its factorization.

28038125411701 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 107520, while the sum is 43.

Adding to 28038125411701 its reverse (10711452183082), we get a palindrome (38749577594783).

The spelling of 28038125411701 in words is "twenty-eight trillion, thirty-eight billion, one hundred twenty-five million, four hundred eleven thousand, seven hundred one".