1011145005 has 32 divisors (see below), whose sum is σ = 1935870720. Its totient is φ = 497793600.

The previous prime is 1011144997. The next prime is 1011145007. The reversal of 1011145005 is 5005411101.

It is a happy number.

1011145005 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1011145005 - 2³ = 1011144997 is a prime.

It is a super-2 number, since 2×1011145005² = 2044828442272900050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011145007) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 286321 + ... + 289830.

It is an arithmetic number, because the mean of its divisors is an integer number (60495960).

Almost surely, 2^1011145005 is an apocalyptic number.

1011145005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1011145005 is a deficient number, since it is larger than the sum of its proper divisors (924725715).

1011145005 is a wasteful number, since it uses less digits than its factorization.

1011145005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 576178 (or 576172 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 18.

The square root of 1011145005 is about 31798.5063328453. The cubic root of 1011145005 is about 1003.7012852522.

Adding to 1011145005 its reverse (5005411101), we get a palindrome (6016556106).

The spelling of 1011145005 in words is "one billion, eleven million, one hundred forty-five thousand, five".