1057331156 has 12 divisors (see below), whose sum is σ = 2114662368. Its totient is φ = 453141912.

The previous prime is 1057331147. The next prime is 1057331159. The reversal of 1057331156 is 6511337501.

1057331156 is an admirable number.

It is a super-3 number, since 3×1057331156³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1057331159) 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 3 ways as a sum of consecutive naturals, for example, 18880886 + ... + 18880941.

It is an arithmetic number, because the mean of its divisors is an integer number (176221864).

Almost surely, 2^1057331156 is an apocalyptic number.

It is an amenable number.

1057331156 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1057331156 is a wasteful number, since it uses less digits than its factorization.

1057331156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37761838 (or 37761836 counting only the distinct ones).

The product of its (nonzero) digits is 9450, while the sum is 32.

The square root of 1057331156 is about 32516.6289150644. The cubic root of 1057331156 is about 1018.7563838861.

Adding to 1057331156 its reverse (6511337501), we get a palindrome (7568668657).

The spelling of 1057331156 in words is "one billion, fifty-seven million, three hundred thirty-one thousand, one hundred fifty-six".