28015032701401 has 2 divisors, whose sum is σ = 28015032701402. Its totient is φ = 28015032701400.

The previous prime is 28015032701231. The next prime is 28015032701437. The reversal of 28015032701401 is 10410723051082.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28009974078025 + 5058623376 = 5292445^2 + 71124^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28015032701401 is a prime.

It is not a weakly prime, because it can be changed into another prime (28015032701701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14007516350700 + 14007516350701.

It is an arithmetic number, because the mean of its divisors is an integer number (14007516350701).

Almost surely, 2^{28015032701401} is an apocalyptic number.

It is an amenable number.

28015032701401 is a deficient number, since it is larger than the sum of its proper divisors (1).

28015032701401 is an equidigital number, since it uses as much as digits as its factorization.

28015032701401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13440, while the sum is 34.

Adding to 28015032701401 its reverse (10410723051082), we get a palindrome (38425755752483).

The spelling of 28015032701401 in words is "twenty-eight trillion, fifteen billion, thirty-two million, seven hundred one thousand, four hundred one".