6105561567487 has 2 divisors, whose sum is σ = 6105561567488. Its totient is φ = 6105561567486.

The previous prime is 6105561567449. The next prime is 6105561567499. The reversal of 6105561567487 is 7847651655016.

6105561567487 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6105561567487 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6105561567437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3052780783743 + 3052780783744.

It is an arithmetic number, because the mean of its divisors is an integer number (3052780783744).

Almost surely, 2^{6105561567487} is an apocalyptic number.

6105561567487 is a deficient number, since it is larger than the sum of its proper divisors (1).

6105561567487 is an equidigital number, since it uses as much as digits as its factorization.

6105561567487 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 42336000, while the sum is 61.

The spelling of 6105561567487 in words is "six trillion, one hundred five billion, five hundred sixty-one million, five hundred sixty-seven thousand, four hundred eighty-seven".