1308111853 has 2 divisors, whose sum is σ = 1308111854. Its totient is φ = 1308111852.

The previous prime is 1308111841. The next prime is 1308111863. The reversal of 1308111853 is 3581118031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 766293124 + 541818729 = 27682^2 + 23277^2 .

It is a cyclic number.

It is not a de Polignac number, because 1308111853 - 2⁹ = 1308111341 is a prime.

It is a super-2 number, since 2×1308111853² = 3422313239918187218, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1308111863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 654055926 + 654055927.

It is an arithmetic number, because the mean of its divisors is an integer number (654055927).

Almost surely, 2^1308111853 is an apocalyptic number.

It is an amenable number.

1308111853 is a deficient number, since it is larger than the sum of its proper divisors (1).

1308111853 is an equidigital number, since it uses as much as digits as its factorization.

1308111853 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 31.

The square root of 1308111853 is about 36167.8289782508. The cubic root of 1308111853 is about 1093.6582337900.

Adding to 1308111853 its reverse (3581118031), we get a palindrome (4889229884).

The spelling of 1308111853 in words is "one billion, three hundred eight million, one hundred eleven thousand, eight hundred fifty-three".