1151601116 has 12 divisors (see below), whose sum is σ = 2015806632. Its totient is φ = 575656368.

The previous prime is 1151601083. The next prime is 1151601149. The reversal of 1151601116 is 6111061511.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1151601083) and next prime (1151601149).

It is a junction number, because it is equal to n+sod(n) for n = 1151601091 and 1151601100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16955 + ... + 50898.

It is an arithmetic number, because the mean of its divisors is an integer number (167983886).

Almost surely, 2^1151601116 is an apocalyptic number.

It is an amenable number.

1151601116 is a deficient number, since it is larger than the sum of its proper divisors (864205516).

1151601116 is a wasteful number, since it uses less digits than its factorization.

1151601116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72100 (or 72098 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 23.

The square root of 1151601116 is about 33935.2488719326. The cubic root of 1151601116 is about 1048.1755516086.

Adding to 1151601116 its reverse (6111061511), we get a palindrome (7262662627).

The spelling of 1151601116 in words is "one billion, one hundred fifty-one million, six hundred one thousand, one hundred sixteen".