1057561711 has 8 divisors (see below), whose sum is σ = 1082775744. Its totient is φ = 1032460800.

The previous prime is 1057561693. The next prime is 1057561723. The reversal of 1057561711 is 1171657501.

It is a happy number.

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 1057561711 - 2²¹ = 1055464559 is a prime.

It is a super-2 number, since 2×1057561711² = 2236873545146495042, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1057561741) 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 7 ways as a sum of consecutive naturals, for example, 9210 + ... + 46903.

It is an arithmetic number, because the mean of its divisors is an integer number (135346968).

Almost surely, 2^1057561711 is an apocalyptic number.

1057561711 is a deficient number, since it is larger than the sum of its proper divisors (25214033).

1057561711 is an equidigital number, since it uses as much as digits as its factorization.

1057561711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56561.

The product of its (nonzero) digits is 7350, while the sum is 34.

The square root of 1057561711 is about 32520.1739078991. The cubic root of 1057561711 is about 1018.8304263804.

The spelling of 1057561711 in words is "one billion, fifty-seven million, five hundred sixty-one thousand, seven hundred eleven".