1161514061 has 16 divisors (see below), whose sum is σ = 1286280000. Its totient is φ = 1044400896.

The previous prime is 1161514049. The next prime is 1161514093. The reversal of 1161514061 is 1604151611.

It is not a de Polignac number, because 1161514061 - 2²⁶ = 1094405197 is a prime.

It is a super-2 number, since 2×1161514061² = 2698229827801423442, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1161514061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1161514021) 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, 14645 + ... + 50373.

It is an arithmetic number, because the mean of its divisors is an integer number (80392500).

Almost surely, 2^1161514061 is an apocalyptic number.

It is an amenable number.

1161514061 is a deficient number, since it is larger than the sum of its proper divisors (124765939).

1161514061 is a wasteful number, since it uses less digits than its factorization.

1161514061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35836.

The product of its (nonzero) digits is 720, while the sum is 26.

The square root of 1161514061 is about 34080.9926645337. The cubic root of 1161514061 is about 1051.1745167008.

Adding to 1161514061 its reverse (1604151611), we get a palindrome (2765665672).

The spelling of 1161514061 in words is "one billion, one hundred sixty-one million, five hundred fourteen thousand, sixty-one".