1101606540 has 48 divisors (see below), whose sum is σ = 3087329280. Its totient is φ = 293492160.

The previous prime is 1101606533. The next prime is 1101606559. The reversal of 1101606540 is 456061011.

It is a self number, because there is not a number n which added to its sum of digits gives 1101606540.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62421 + ... + 78099.

It is an arithmetic number, because the mean of its divisors is an integer number (64319360).

Almost surely, 2^1101606540 is an apocalyptic number.

1101606540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1101606540 is an abundant number, since it is smaller than the sum of its proper divisors (1985722740).

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

1101606540 is a wasteful number, since it uses less digits than its factorization.

1101606540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16862 (or 16860 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 1101606540 is about 33190.4585686911. The cubic root of 1101606540 is about 1032.7824162419.

Adding to 1101606540 its reverse (456061011), we get a palindrome (1557667551).

The spelling of 1101606540 in words is "one billion, one hundred one million, six hundred six thousand, five hundred forty".