1155736855087 has 6 divisors (see below), whose sum is σ = 1196964092168. Its totient is φ = 1115883859272.

The previous prime is 1155736855057. The next prime is 1155736855093. The reversal of 1155736855087 is 7805586375511.

It is not a de Polignac number, because 1155736855087 - 2¹⁵ = 1155736822319 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1155736855057) 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 in 5 ways as a sum of consecutive naturals, for example, 687119763 + ... + 687121444.

Almost surely, 2^{1155736855087} is an apocalyptic number.

1155736855087 is a deficient number, since it is larger than the sum of its proper divisors (41227237081).

1155736855087 is an equidigital number, since it uses as much as digits as its factorization.

1155736855087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1374241265 (or 1374241236 counting only the distinct ones).

The product of its (nonzero) digits is 35280000, while the sum is 61.

The spelling of 1155736855087 in words is "one trillion, one hundred fifty-five billion, seven hundred thirty-six million, eight hundred fifty-five thousand, eighty-seven".