1011010605 has 16 divisors (see below), whose sum is σ = 1764673344. Its totient is φ = 490186880.

The previous prime is 1011010601. The next prime is 1011010619. The reversal of 1011010605 is 5060101101.

It is not a de Polignac number, because 1011010605 - 2² = 1011010601 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011010601) 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, 3063504 + ... + 3063833.

It is an arithmetic number, because the mean of its divisors is an integer number (110292084).

Almost surely, 2^1011010605 is an apocalyptic number.

1011010605 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1011010605 is a deficient number, since it is larger than the sum of its proper divisors (753662739).

1011010605 is a wasteful number, since it uses less digits than its factorization.

1011010605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6127356.

The product of its (nonzero) digits is 30, while the sum is 15.

The square root of 1011010605 is about 31796.3929558055. The cubic root of 1011010605 is about 1003.6568130848.

Adding to 1011010605 its reverse (5060101101), we get a palindrome (6071111706).

The spelling of 1011010605 in words is "one billion, eleven million, ten thousand, six hundred five".