1158315057 has 12 divisors (see below), whose sum is σ = 1686297600. Its totient is φ = 766128888.

The previous prime is 1158315023. The next prime is 1158315061. The reversal of 1158315057 is 7505138511.

1158315057 is a `hidden beast` number, since 11 + 583 + 15 + 0 + 57 = 666.

It is not a de Polignac number, because 1158315057 - 2⁷ = 1158314929 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1158311057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 505557 + ... + 507842.

It is an arithmetic number, because the mean of its divisors is an integer number (140524800).

Almost surely, 2^1158315057 is an apocalyptic number.

It is an amenable number.

1158315057 is a deficient number, since it is larger than the sum of its proper divisors (527982543).

1158315057 is a wasteful number, since it uses less digits than its factorization.

1158315057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1013532 (or 1013529 counting only the distinct ones).

The product of its (nonzero) digits is 21000, while the sum is 36.

The square root of 1158315057 is about 34034.0279279429. The cubic root of 1158315057 is about 1050.2085925719.

The spelling of 1158315057 in words is "one billion, one hundred fifty-eight million, three hundred fifteen thousand, fifty-seven".