1101155630 has 16 divisors (see below), whose sum is σ = 1982895120. Its totient is φ = 440281152.

The previous prime is 1101155599. The next prime is 1101155633. The reversal of 1101155630 is 365511011.

It is a junction number, because it is equal to n+sod(n) for n = 1101155596 and 1101155605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101155633) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 4442 + ... + 47138.

It is an arithmetic number, because the mean of its divisors is an integer number (123930945).

Almost surely, 2^1101155630 is an apocalyptic number.

1101155630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1101155630 is a deficient number, since it is larger than the sum of its proper divisors (881739490).

1101155630 is a wasteful number, since it uses less digits than its factorization.

1101155630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45283.

The product of its (nonzero) digits is 450, while the sum is 23.

The square root of 1101155630 is about 33183.6651080016. The cubic root of 1101155630 is about 1032.6414840500.

Adding to 1101155630 its reverse (365511011), we get a palindrome (1466666641).

The spelling of 1101155630 in words is "one billion, one hundred one million, one hundred fifty-five thousand, six hundred thirty".