10555111155487 has 2 divisors, whose sum is σ = 10555111155488. Its totient is φ = 10555111155486.

The previous prime is 10555111155473. The next prime is 10555111155509. The reversal of 10555111155487 is 78455111155501.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10555111155487 - 2¹⁹ = 10555110631199 is a prime.

It is a super-2 number, since 2×10555111155487² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10555111155487.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10555111155467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5277555577743 + 5277555577744.

It is an arithmetic number, because the mean of its divisors is an integer number (5277555577744).

Almost surely, 2^{10555111155487} is an apocalyptic number.

10555111155487 is a deficient number, since it is larger than the sum of its proper divisors (1).

10555111155487 is an equidigital number, since it uses as much as digits as its factorization.

10555111155487 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 700000, while the sum is 49.

The spelling of 10555111155487 in words is "ten trillion, five hundred fifty-five billion, one hundred eleven million, one hundred fifty-five thousand, four hundred eighty-seven".