1057161115 has 8 divisors (see below), whose sum is σ = 1290095280. Its totient is φ = 831394272.

The previous prime is 1057161043. The next prime is 1057161137. The reversal of 1057161115 is 5111617501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1057161115 - 2⁹ = 1057160603 is a prime.

It is a super-2 number, since 2×1057161115² = 2235179246136086450, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1791504 + ... + 1792093.

It is an arithmetic number, because the mean of its divisors is an integer number (161261910).

Almost surely, 2^1057161115 is an apocalyptic number.

1057161115 is a deficient number, since it is larger than the sum of its proper divisors (232934165).

1057161115 is an equidigital number, since it uses as much as digits as its factorization.

1057161115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3583661.

The product of its (nonzero) digits is 1050, while the sum is 28.

The square root of 1057161115 is about 32514.0141323707. The cubic root of 1057161115 is about 1018.7017685021.

Adding to 1057161115 its reverse (5111617501), we get a palindrome (6168778616).

It can be divided in two parts, 105 and 7161115, that added together give a triangular number (7161220 = T₃₇₈₄).

The spelling of 1057161115 in words is "one billion, fifty-seven million, one hundred sixty-one thousand, one hundred fifteen".