1162155113 has 16 divisors (see below), whose sum is σ = 1335747840. Its totient is φ = 990475776.

The previous prime is 1162155091. The next prime is 1162155119. The reversal of 1162155113 is 3115512611.

It is a cyclic number.

It is not a de Polignac number, because 1162155113 - 2²² = 1157960809 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1162155119) 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, 1384748 + ... + 1385586.

It is an arithmetic number, because the mean of its divisors is an integer number (83484240).

Almost surely, 2^1162155113 is an apocalyptic number.

It is an amenable number.

1162155113 is a deficient number, since it is larger than the sum of its proper divisors (173592727).

1162155113 is an equidigital number, since it uses as much as digits as its factorization.

1162155113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1736.

The product of its digits is 900, while the sum is 26.

The square root of 1162155113 is about 34090.3961989297. The cubic root of 1162155113 is about 1051.3678659442.

Adding to 1162155113 its reverse (3115512611), we get a palindrome (4277667724).

The spelling of 1162155113 in words is "one billion, one hundred sixty-two million, one hundred fifty-five thousand, one hundred thirteen".