1161513033027 has 16 divisors (see below), whose sum is σ = 1552223738400. Its totient is φ = 772572506112.

The previous prime is 1161513033017. The next prime is 1161513033049. The reversal of 1161513033027 is 7203303151611.

It is not a de Polignac number, because 1161513033027 - 2⁶ = 1161513032963 is a prime.

It is a super-2 number, since 2×1161513033027² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1161513033017) 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, 16484023 + ... + 16554335.

It is an arithmetic number, because the mean of its divisors is an integer number (97013983650).

Almost surely, 2^{1161513033027} is an apocalyptic number.

1161513033027 is a deficient number, since it is larger than the sum of its proper divisors (390710705373).

1161513033027 is a wasteful number, since it uses less digits than its factorization.

1161513033027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82822.

The product of its (nonzero) digits is 11340, while the sum is 33.

Adding to 1161513033027 its reverse (7203303151611), we get a palindrome (8364816184638).

The spelling of 1161513033027 in words is "one trillion, one hundred sixty-one billion, five hundred thirteen million, thirty-three thousand, twenty-seven".