1016551104997 has 2 divisors, whose sum is σ = 1016551104998. Its totient is φ = 1016551104996.

The previous prime is 1016551104979. The next prime is 1016551105033. The reversal of 1016551104997 is 7994011556101.

Together with previous prime (1016551104979) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1014600911076 + 1950193921 = 1007274^2 + 44161^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1016551104997 is a prime.

It is a super-2 number, since 2×1016551104997² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1016551104997.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1016551104977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 508275552498 + 508275552499.

It is an arithmetic number, because the mean of its divisors is an integer number (508275552499).

Almost surely, 2^{1016551104997} is an apocalyptic number.

It is an amenable number.

1016551104997 is a deficient number, since it is larger than the sum of its proper divisors (1).

1016551104997 is an equidigital number, since it uses as much as digits as its factorization.

1016551104997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 340200, while the sum is 49.

The spelling of 1016551104997 in words is "one trillion, sixteen billion, five hundred fifty-one million, one hundred four thousand, nine hundred ninety-seven".