1011155041 has 16 divisors (see below), whose sum is σ = 1116944640. Its totient is φ = 909604800.

The previous prime is 1011155011. The next prime is 1011155059. The reversal of 1011155041 is 1405511101.

It is not a de Polignac number, because 1011155041 - 2⁵ = 1011155009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1011155011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99180 + ... + 108898.

It is an arithmetic number, because the mean of its divisors is an integer number (69809040).

Almost surely, 2^1011155041 is an apocalyptic number.

It is an amenable number.

1011155041 is a deficient number, since it is larger than the sum of its proper divisors (105789599).

1011155041 is a wasteful number, since it uses less digits than its factorization.

1011155041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9936.

The product of its (nonzero) digits is 100, while the sum is 19.

The square root of 1011155041 is about 31798.6641386081. The cubic root of 1011155041 is about 1003.7046059473.

Adding to 1011155041 its reverse (1405511101), we get a palindrome (2416666142).

The spelling of 1011155041 in words is "one billion, eleven million, one hundred fifty-five thousand, forty-one".