28000984147151 has 2 divisors, whose sum is σ = 28000984147152. Its totient is φ = 28000984147150.

The previous prime is 28000984147109. The next prime is 28000984147187. The reversal of 28000984147151 is 15174148900082.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28000984147151 is a prime.

It is a super-2 number, since 2×28000984147151² (a number of 28 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 28000984147151.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28000984147051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14000492073575 + 14000492073576.

It is an arithmetic number, because the mean of its divisors is an integer number (14000492073576).

Almost surely, 2^{28000984147151} is an apocalyptic number.

28000984147151 is a deficient number, since it is larger than the sum of its proper divisors (1).

28000984147151 is an equidigital number, since it uses as much as digits as its factorization.

28000984147151 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 645120, while the sum is 50.

The spelling of 28000984147151 in words is "twenty-eight trillion, nine hundred eighty-four million, one hundred forty-seven thousand, one hundred fifty-one".