1155560415 has 16 divisors (see below), whose sum is σ = 1850131968. Its totient is φ = 615887136.

The previous prime is 1155560401. The next prime is 1155560423. The reversal of 1155560415 is 5140655511.

It is not a de Polignac number, because 1155560415 - 2¹¹ = 1155558367 is a prime.

It is a congruent number.

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, 1819 + ... + 48108.

It is an arithmetic number, because the mean of its divisors is an integer number (115633248).

Almost surely, 2^1155560415 is an apocalyptic number.

1155560415 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1155560415 is a deficient number, since it is larger than the sum of its proper divisors (694571553).

1155560415 is a wasteful number, since it uses less digits than its factorization.

1155560415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51478.

The product of its (nonzero) digits is 15000, while the sum is 33.

The square root of 1155560415 is about 33993.5349000365. The cubic root of 1155560415 is about 1049.3754153923.

The spelling of 1155560415 in words is "one billion, one hundred fifty-five million, five hundred sixty thousand, four hundred fifteen".