1011501005 has 32 divisors (see below), whose sum is σ = 1357603200. Its totient is φ = 720099072.

The previous prime is 1011500993. The next prime is 1011501013. The reversal of 1011501005 is 5001051101.

It is a cyclic number.

It is not a de Polignac number, because 1011501005 - 2⁴ = 1011500989 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 96974 + ... + 106896.

It is an arithmetic number, because the mean of its divisors is an integer number (42425100).

Almost surely, 2^1011501005 is an apocalyptic number.

It is an amenable number.

1011501005 is a deficient number, since it is larger than the sum of its proper divisors (346102195).

1011501005 is a wasteful number, since it uses less digits than its factorization.

1011501005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10013.

The product of its (nonzero) digits is 25, while the sum is 14.

The square root of 1011501005 is about 31804.1035874303. The cubic root of 1011501005 is about 1003.8190645122.

Adding to 1011501005 its reverse (5001051101), we get a palindrome (6012552106).

The spelling of 1011501005 in words is "one billion, eleven million, five hundred one thousand, five".