1001151500 has 24 divisors (see below), whose sum is σ = 2186515968. Its totient is φ = 400460400.

The previous prime is 1001151497. The next prime is 1001151509. The reversal of 1001151500 is 51511001.

1001151500 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (1001151509) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1000652 + ... + 1001651.

It is an arithmetic number, because the mean of its divisors is an integer number (91104832).

Almost surely, 2^1001151500 is an apocalyptic number.

1001151500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1001151500 is an abundant number, since it is smaller than the sum of its proper divisors (1185364468).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1001151500 is a wasteful number, since it uses less digits than its factorization.

1001151500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2002322 (or 2002310 counting only the distinct ones).

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

The square root of 1001151500 is about 31640.9781770412. The cubic root of 1001151500 is about 1000.3836860995.

Adding to 1001151500 its reverse (51511001), we get a palindrome (1052662501).

The spelling of 1001151500 in words is "one billion, one million, one hundred fifty-one thousand, five hundred".