1051113312 has 36 divisors (see below), whose sum is σ = 2989104300. Its totient is φ = 350371008.

The previous prime is 1051113299. The next prime is 1051113313. The reversal of 1051113312 is 2133111501.

1051113312 is a `hidden beast` number, since 10 + 511 + 133 + 12 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×1051113312² = 2209678389327218688, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1051113313) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 1824562 + ... + 1825137.

It is an arithmetic number, because the mean of its divisors is an integer number (83030675).

Almost surely, 2^1051113312 is an apocalyptic number.

1051113312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1051113312 is an abundant number, since it is smaller than the sum of its proper divisors (1937990988).

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

1051113312 is a wasteful number, since it uses less digits than its factorization.

1051113312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3649715 (or 3649704 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 18.

The square root of 1051113312 is about 32420.8777179150. The cubic root of 1051113312 is about 1016.7554573114.

Adding to 1051113312 its reverse (2133111501), we get a palindrome (3184224813).

The spelling of 1051113312 in words is "one billion, fifty-one million, one hundred thirteen thousand, three hundred twelve".