102449356811 has 2 divisors, whose sum is σ = 102449356812. Its totient is φ = 102449356810.

The previous prime is 102449356769. The next prime is 102449356859. The reversal of 102449356811 is 118653944201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102449356811 - 2¹⁰ = 102449355787 is a prime.

It is not a weakly prime, because it can be changed into another prime (102449356111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51224678405 + 51224678406.

It is an arithmetic number, because the mean of its divisors is an integer number (51224678406).

Almost surely, 2^102449356811 is an apocalyptic number.

102449356811 is a deficient number, since it is larger than the sum of its proper divisors (1).

102449356811 is an equidigital number, since it uses as much as digits as its factorization.

102449356811 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 207360, while the sum is 44.

The spelling of 102449356811 in words is "one hundred two billion, four hundred forty-nine million, three hundred fifty-six thousand, eight hundred eleven".