1156606555487 has 2 divisors, whose sum is σ = 1156606555488. Its totient is φ = 1156606555486.

The previous prime is 1156606555439. The next prime is 1156606555543. The reversal of 1156606555487 is 7845556066511.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1156606555487 - 2⁸ = 1156606555231 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1156606555417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 578303277743 + 578303277744.

It is an arithmetic number, because the mean of its divisors is an integer number (578303277744).

Almost surely, 2^{1156606555487} is an apocalyptic number.

1156606555487 is a deficient number, since it is larger than the sum of its proper divisors (1).

1156606555487 is an equidigital number, since it uses as much as digits as its factorization.

1156606555487 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240000, while the sum is 59.

The spelling of 1156606555487 in words is "one trillion, one hundred fifty-six billion, six hundred six million, five hundred fifty-five thousand, four hundred eighty-seven".