1161118052 has 6 divisors (see below), whose sum is σ = 2031956598. Its totient is φ = 580559024.

The previous prime is 1161118043. The next prime is 1161118069. The reversal of 1161118052 is 2508111611.

It can be written as a sum of positive squares in only one way, i.e., 1154232676 + 6885376 = 33974^2 + 2624^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 145139753 + ... + 145139760.

It is an arithmetic number, because the mean of its divisors is an integer number (338659433).

Almost surely, 2^1161118052 is an apocalyptic number.

It is an amenable number.

1161118052 is a deficient number, since it is larger than the sum of its proper divisors (870838546).

1161118052 is a wasteful number, since it uses less digits than its factorization.

1161118052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290279517 (or 290279515 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 26.

The square root of 1161118052 is about 34075.1823472744. The cubic root of 1161118052 is about 1051.0550399188.

Adding to 1161118052 its reverse (2508111611), we get a palindrome (3669229663).

The spelling of 1161118052 in words is "one billion, one hundred sixty-one million, one hundred eighteen thousand, fifty-two".