1157057057066 has 16 divisors (see below), whose sum is σ = 1752834777768. Its totient is φ = 572779224000.

The previous prime is 1157057057033. The next prime is 1157057057141. The reversal of 1157057057066 is 6607507507511.

It can be written as a sum of positive squares in 4 ways, for example, as 1082921203225 + 74135853841 = 1040635^2 + 272279^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6287036 + ... + 6468456.

Almost surely, 2^{1157057057066} is an apocalyptic number.

1157057057066 is a deficient number, since it is larger than the sum of its proper divisors (595777720702).

1157057057066 is a wasteful number, since it uses less digits than its factorization.

1157057057066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213097.

The product of its (nonzero) digits is 1543500, while the sum is 50.

The spelling of 1157057057066 in words is "one trillion, one hundred fifty-seven billion, fifty-seven million, fifty-seven thousand, sixty-six".