1051157113 has 4 divisors (see below), whose sum is σ = 1087403940. Its totient is φ = 1014910288.

The previous prime is 1051157111. The next prime is 1051157119. The reversal of 1051157113 is 3117511501.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 525693184 + 525463929 = 22928^2 + 22923^2 .

It is a cyclic number.

It is not a de Polignac number, because 1051157113 - 2¹ = 1051157111 is a prime.

It is a super-2 number, since 2×1051157113² = 2209862552420989538, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1051157111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18123370 + ... + 18123427.

It is an arithmetic number, because the mean of its divisors is an integer number (271850985).

Almost surely, 2^1051157113 is an apocalyptic number.

It is an amenable number.

1051157113 is a deficient number, since it is larger than the sum of its proper divisors (36246827).

1051157113 is an equidigital number, since it uses as much as digits as its factorization.

1051157113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36246826.

The product of its (nonzero) digits is 525, while the sum is 25.

The square root of 1051157113 is about 32421.5532169574. The cubic root of 1051157113 is about 1016.7695802059.

Adding to 1051157113 its reverse (3117511501), we get a palindrome (4168668614).

The spelling of 1051157113 in words is "one billion, fifty-one million, one hundred fifty-seven thousand, one hundred thirteen".