6105109987 has 2 divisors, whose sum is σ = 6105109988. Its totient is φ = 6105109986.

The previous prime is 6105109931. The next prime is 6105109991. The reversal of 6105109987 is 7899015016.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6105109987 - 2⁷ = 6105109859 is a prime.

It is not a weakly prime, because it can be changed into another prime (6105109687) 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, 3052554993 + 3052554994.

It is an arithmetic number, because the mean of its divisors is an integer number (3052554994).

Almost surely, 2^6105109987 is an apocalyptic number.

6105109987 is a deficient number, since it is larger than the sum of its proper divisors (1).

6105109987 is an equidigital number, since it uses as much as digits as its factorization.

6105109987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 136080, while the sum is 46.

The square root of 6105109987 is about 78135.2032505195. The cubic root of 6105109987 is about 1827.6702001758.

The spelling of 6105109987 in words is "six billion, one hundred five million, one hundred nine thousand, nine hundred eighty-seven".