1057113278 has 32 divisors (see below), whose sum is σ = 1870464960. Its totient is φ = 443358720.

The previous prime is 1057113271. The next prime is 1057113287. The reversal of 1057113278 is 8723117501.

It is a happy number.

1057113278 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1057113278² = 2234976965047810568, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1057113271) 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, 28418 + ... + 54053.

It is an arithmetic number, because the mean of its divisors is an integer number (58452030).

Almost surely, 2^1057113278 is an apocalyptic number.

1057113278 is a deficient number, since it is larger than the sum of its proper divisors (813351682).

1057113278 is a wasteful number, since it uses less digits than its factorization.

1057113278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82532.

The product of its (nonzero) digits is 11760, while the sum is 35.

The square root of 1057113278 is about 32513.2784874119. The cubic root of 1057113278 is about 1018.6864027044.

The spelling of 1057113278 in words is "one billion, fifty-seven million, one hundred thirteen thousand, two hundred seventy-eight".