1206384781153 has 2 divisors, whose sum is σ = 1206384781154. Its totient is φ = 1206384781152.

The previous prime is 1206384781139. The next prime is 1206384781181. The reversal of 1206384781153 is 3511874836021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1170524920464 + 35859860689 = 1081908^2 + 189367^2 .

It is a cyclic number.

It is not a de Polignac number, because 1206384781153 - 2²⁵ = 1206351226721 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1206384781097 and 1206384781106.

It is not a weakly prime, because it can be changed into another prime (1206384781123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 603192390576 + 603192390577.

It is an arithmetic number, because the mean of its divisors is an integer number (603192390577).

Almost surely, 2^{1206384781153} is an apocalyptic number.

It is an amenable number.

1206384781153 is a deficient number, since it is larger than the sum of its proper divisors (1).

1206384781153 is an equidigital number, since it uses as much as digits as its factorization.

1206384781153 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 967680, while the sum is 49.

The spelling of 1206384781153 in words is "one trillion, two hundred six billion, three hundred eighty-four million, seven hundred eighty-one thousand, one hundred fifty-three".