1011325512 has 64 divisors (see below), whose sum is σ = 2707214400. Its totient is φ = 313702400.

The previous prime is 1011325501. The next prime is 1011325517. The reversal of 1011325512 is 2155231101.

It is not an unprimeable number, because it can be changed into a prime (1011325517) 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, 22387 + ... + 50237.

It is an arithmetic number, because the mean of its divisors is an integer number (42300225).

Almost surely, 2^1011325512 is an apocalyptic number.

1011325512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1011325512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1353607200).

1011325512 is an abundant number, since it is smaller than the sum of its proper divisors (1695888888).

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

1011325512 is a wasteful number, since it uses less digits than its factorization.

1011325512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27966 (or 27962 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 21.

The square root of 1011325512 is about 31801.3444998792. The cubic root of 1011325512 is about 1003.7610077540.

Adding to 1011325512 its reverse (2155231101), we get a palindrome (3166556613).

The spelling of 1011325512 in words is "one billion, eleven million, three hundred twenty-five thousand, five hundred twelve".