1098952617461 has 2 divisors, whose sum is σ = 1098952617462. Its totient is φ = 1098952617460.

The previous prime is 1098952617437. The next prime is 1098952617583. The reversal of 1098952617461 is 1647162598901.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1098618422500 + 334194961 = 1048150^2 + 18281^2 .

It is an emirp because it is prime and its reverse (1647162598901) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1098952617461 - 2³⁸ = 824074710517 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1098952617461.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1098952610461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 549476308730 + 549476308731.

It is an arithmetic number, because the mean of its divisors is an integer number (549476308731).

Almost surely, 2^{1098952617461} is an apocalyptic number.

It is an amenable number.

1098952617461 is a deficient number, since it is larger than the sum of its proper divisors (1).

1098952617461 is an equidigital number, since it uses as much as digits as its factorization.

1098952617461 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6531840, while the sum is 59.

The spelling of 1098952617461 in words is "one trillion, ninety-eight billion, nine hundred fifty-two million, six hundred seventeen thousand, four hundred sixty-one".