1057165775 has 6 divisors (see below), whose sum is σ = 1310885592. Its totient is φ = 845732600.

The previous prime is 1057165741. The next prime is 1057165801. The reversal of 1057165775 is 5775617501.

It is not a de Polignac number, because 1057165775 - 2¹⁰ = 1057164751 is a prime.

It is a super-2 number, since 2×1057165775² = 2235198951662701250, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21143291 + ... + 21143340.

It is an arithmetic number, because the mean of its divisors is an integer number (218480932).

Almost surely, 2^1057165775 is an apocalyptic number.

1057165775 is a deficient number, since it is larger than the sum of its proper divisors (253719817).

1057165775 is an equidigital number, since it uses as much as digits as its factorization.

1057165775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42286641 (or 42286636 counting only the distinct ones).

The product of its (nonzero) digits is 257250, while the sum is 44.

The square root of 1057165775 is about 32514.0857936987. The cubic root of 1057165775 is about 1018.7032653232.

The spelling of 1057165775 in words is "one billion, fifty-seven million, one hundred sixty-five thousand, seven hundred seventy-five".