1101155012 has 6 divisors (see below), whose sum is σ = 1927021278. Its totient is φ = 550577504.

The previous prime is 1101154933. The next prime is 1101155087. The reversal of 1101155012 is 2105511011.

It can be written as a sum of positive squares in only one way, i.e., 614246656 + 486908356 = 24784^2 + 22066^2 .

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 as a sum of consecutive naturals, namely, 137644373 + ... + 137644380.

It is an arithmetic number, because the mean of its divisors is an integer number (321170213).

Almost surely, 2^1101155012 is an apocalyptic number.

It is an amenable number.

1101155012 is a deficient number, since it is larger than the sum of its proper divisors (825866266).

1101155012 is a wasteful number, since it uses less digits than its factorization.

1101155012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275288757 (or 275288755 counting only the distinct ones).

The product of its (nonzero) digits is 50, while the sum is 17.

The square root of 1101155012 is about 33183.6557961898. The cubic root of 1101155012 is about 1032.6412908673.

Adding to 1101155012 its reverse (2105511011), we get a palindrome (3206666023).

The spelling of 1101155012 in words is "one billion, one hundred one million, one hundred fifty-five thousand, twelve".