1051113378 has 32 divisors (see below), whose sum is σ = 2424597120. Its totient is φ = 297561600.

The previous prime is 1051113367. The next prime is 1051113403. The reversal of 1051113378 is 8733111501.

It is a super-2 number, since 2×1051113378² = 2209678666821141768, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 110223 + ... + 119378.

It is an arithmetic number, because the mean of its divisors is an integer number (75768660).

Almost surely, 2^1051113378 is an apocalyptic number.

1051113378 is an abundant number, since it is smaller than the sum of its proper divisors (1373483742).

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

1051113378 is a wasteful number, since it uses less digits than its factorization.

1051113378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229722.

The product of its (nonzero) digits is 2520, while the sum is 30.

The square root of 1051113378 is about 32420.8787357777. The cubic root of 1051113378 is about 1016.7554785923.

Adding to 1051113378 its reverse (8733111501), we get a palindrome (9784224879).

The spelling of 1051113378 in words is "one billion, fifty-one million, one hundred thirteen thousand, three hundred seventy-eight".