28601161451 has 2 divisors, whose sum is σ = 28601161452. Its totient is φ = 28601161450.

The previous prime is 28601161447. The next prime is 28601161553. The reversal of 28601161451 is 15416110682.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28601161451 - 2² = 28601161447 is a prime.

It is not a weakly prime, because it can be changed into another prime (28601161051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14300580725 + 14300580726.

It is an arithmetic number, because the mean of its divisors is an integer number (14300580726).

Almost surely, 2^28601161451 is an apocalyptic number.

28601161451 is a deficient number, since it is larger than the sum of its proper divisors (1).

28601161451 is an equidigital number, since it uses as much as digits as its factorization.

28601161451 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11520, while the sum is 35.

The spelling of 28601161451 in words is "twenty-eight billion, six hundred one million, one hundred sixty-one thousand, four hundred fifty-one".