1155087677505 has 16 divisors (see below), whose sum is σ = 1848243124224. Its totient is φ = 616012481280.

The previous prime is 1155087677477. The next prime is 1155087677537. The reversal of 1155087677505 is 5057767805511.

It is not a de Polignac number, because 1155087677505 - 2¹² = 1155087673409 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1862776 + ... + 2404185.

It is an arithmetic number, because the mean of its divisors is an integer number (115515195264).

Almost surely, 2^{1155087677505} is an apocalyptic number.

1155087677505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1155087677505 is a deficient number, since it is larger than the sum of its proper divisors (693155446719).

1155087677505 is a wasteful number, since it uses less digits than its factorization.

1155087677505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4285016.

The product of its (nonzero) digits is 10290000, while the sum is 57.

The spelling of 1155087677505 in words is "one trillion, one hundred fifty-five billion, eighty-seven million, six hundred seventy-seven thousand, five hundred five".