1011052500 has 60 divisors (see below), whose sum is σ = 2947981344. Its totient is φ = 269612000.

The previous prime is 1011052489. The next prime is 1011052513. The reversal of 1011052500 is 52501101.

It is a tau number, because it is divible by the number of its divisors (60).

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

It is a self number, because there is not a number n which added to its sum of digits gives 1011052500.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 59904 + ... + 74903.

Almost surely, 2^1011052500 is an apocalyptic number.

1011052500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1011052500 is an abundant number, since it is smaller than the sum of its proper divisors (1936928844).

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

1011052500 is a wasteful number, since it uses less digits than its factorization.

1011052500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134834 (or 134817 counting only the distinct ones).

The product of its (nonzero) digits is 50, while the sum is 15.

The square root of 1011052500 is about 31797.0517501230. The cubic root of 1011052500 is about 1003.6706763160.

Adding to 1011052500 its reverse (52501101), we get a palindrome (1063553601).

The spelling of 1011052500 in words is "one billion, eleven million, fifty-two thousand, five hundred".