1057711611 has 16 divisors (see below), whose sum is σ = 1540321920. Its totient is φ = 640273920.

The previous prime is 1057711609. The next prime is 1057711621. The reversal of 1057711611 is 1161177501.

It is not a de Polignac number, because 1057711611 - 2¹ = 1057711609 is a prime.

It is a super-4 number, since 4×1057711611⁴ (a number of 37 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (1057711601) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9691 + ... + 47003.

It is an arithmetic number, because the mean of its divisors is an integer number (96270120).

Almost surely, 2^1057711611 is an apocalyptic number.

1057711611 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1057711611 is a deficient number, since it is larger than the sum of its proper divisors (482610309).

1057711611 is a wasteful number, since it uses less digits than its factorization.

1057711611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38186.

The product of its (nonzero) digits is 1470, while the sum is 30.

The square root of 1057711611 is about 32522.4785494587. The cubic root of 1057711611 is about 1018.8785608341.

The spelling of 1057711611 in words is "one billion, fifty-seven million, seven hundred eleven thousand, six hundred eleven".