1057368211 has 4 divisors (see below), whose sum is σ = 1058358400. Its totient is φ = 1056378024.

The previous prime is 1057368209. The next prime is 1057368239. The reversal of 1057368211 is 1128637501.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1057368211 - 2¹ = 1057368209 is a prime.

It is a super-2 number, since 2×1057368211² = 2236055067266681042, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1057368241) 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, 493491 + ... + 495628.

It is an arithmetic number, because the mean of its divisors is an integer number (264589600).

Almost surely, 2^1057368211 is an apocalyptic number.

1057368211 is a deficient number, since it is larger than the sum of its proper divisors (990189).

1057368211 is an equidigital number, since it uses as much as digits as its factorization.

1057368211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 990188.

The product of its (nonzero) digits is 10080, while the sum is 34.

The square root of 1057368211 is about 32517.1986954596. The cubic root of 1057368211 is about 1018.7682847860.

The spelling of 1057368211 in words is "one billion, fifty-seven million, three hundred sixty-eight thousand, two hundred eleven".