1145615560 has 32 divisors (see below), whose sum is σ = 2579428800. Its totient is φ = 457927360.

The previous prime is 1145615539. The next prime is 1145615593. The reversal of 1145615560 is 655165411.

It is a super-2 number, since 2×1145615560² = 2624870022628227200, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53175 + ... + 71545.

It is an arithmetic number, because the mean of its divisors is an integer number (80607150).

Almost surely, 2^1145615560 is an apocalyptic number.

1145615560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1145615560 is an abundant number, since it is smaller than the sum of its proper divisors (1433813240).

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

1145615560 is a wasteful number, since it uses less digits than its factorization.

1145615560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19941 (or 19937 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 34.

The square root of 1145615560 is about 33846.9431411464. The cubic root of 1145615560 is about 1046.3563989453.

The spelling of 1145615560 in words is "one billion, one hundred forty-five million, six hundred fifteen thousand, five hundred sixty".