1087550505087 has 16 divisors (see below), whose sum is σ = 1515150309888. Its totient is φ = 692577042080.

The previous prime is 1087550505077. The next prime is 1087550505113. The reversal of 1087550505087 is 7805050557801.

It is a cyclic number.

It is not a de Polignac number, because 1087550505087 - 2⁴ = 1087550505071 is a prime.

It is a super-2 number, since 2×1087550505087² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1087550505077) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10555464 + ... + 10657997.

It is an arithmetic number, because the mean of its divisors is an integer number (94696894368).

Almost surely, 2^{1087550505087} is an apocalyptic number.

1087550505087 is a deficient number, since it is larger than the sum of its proper divisors (427599804801).

1087550505087 is a wasteful number, since it uses less digits than its factorization.

1087550505087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21214230.

The product of its (nonzero) digits is 1960000, while the sum is 51.

The spelling of 1087550505087 in words is "one trillion, eighty-seven billion, five hundred fifty million, five hundred five thousand, eighty-seven".