1155775464 has 48 divisors (see below), whose sum is σ = 3314359620. Its totient is φ = 362595840.

The previous prime is 1155775427. The next prime is 1155775531. The reversal of 1155775464 is 4645775511.

1155775464 is a `hidden beast` number, since 1 + 15 + 577 + 5 + 4 + 64 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1143116100 + 12659364 = 33810^2 + 3558^2 .

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 11 ways as a sum of consecutive naturals, for example, 470907 + ... + 473354.

Almost surely, 2^1155775464 is an apocalyptic number.

It is an amenable number.

1155775464 is an abundant number, since it is smaller than the sum of its proper divisors (2158584156).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1155775464 is a wasteful number, since it uses less digits than its factorization.

1155775464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 944290 (or 944283 counting only the distinct ones).

The product of its digits is 588000, while the sum is 45.

The square root of 1155775464 is about 33996.6978396432. The cubic root of 1155775464 is about 1049.4405073694.

The spelling of 1155775464 in words is "one billion, one hundred fifty-five million, seven hundred seventy-five thousand, four hundred sixty-four".