1157803976169 has 15 divisors (see below), whose sum is σ = 1729573492647. Its totient is φ = 771862861368.

The previous prime is 1157803976093. The next prime is 1157803976207. The reversal of 1157803976169 is 9616793087511.

The square root of 1157803976169 is 1076013.

It is a perfect power (a square), and thus also a powerful number.

1157803976169 is a `hidden beast` number, since 1 + 1 + 5 + 7 + 8 + 0 + 3 + 9 + 7 + 616 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 371411019225 + 786392956944 = 609435^2 + 886788^2 .

It is not a de Polignac number, because 1157803976169 - 2¹⁷ = 1157803845097 is a prime.

It is a super-2 number, since 2×1157803976169² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1157803975169) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 9624339 + ... + 9743895.

Almost surely, 2^{1157803976169} is an apocalyptic number.

1157803976169 is the 1076013-rd square number.

1157803976169 is the 538007-th centered octagonal number.

It is an amenable number.

1157803976169 is a deficient number, since it is larger than the sum of its proper divisors (571769516478).

1157803976169 is an frugal number, since it uses more digits than its factorization.

1157803976169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239126 (or 119560 counting only the distinct ones).

The product of its (nonzero) digits is 17146080, while the sum is 63.

The spelling of 1157803976169 in words is "one trillion, one hundred fifty-seven billion, eight hundred three million, nine hundred seventy-six thousand, one hundred sixty-nine".