1151265116 has 12 divisors (see below), whose sum is σ = 2023362432. Its totient is φ = 573161568.

The previous prime is 1151265103. The next prime is 1151265127. The reversal of 1151265116 is 6115621511.

It is a super-2 number, since 2×1151265116² = 2650822734636986912, which contains 22 as substring.

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, 616700 + ... + 618563.

It is an arithmetic number, because the mean of its divisors is an integer number (168613536).

Almost surely, 2^1151265116 is an apocalyptic number.

It is an amenable number.

1151265116 is a deficient number, since it is larger than the sum of its proper divisors (872097316).

1151265116 is a wasteful number, since it uses less digits than its factorization.

1151265116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1235500 (or 1235498 counting only the distinct ones).

The product of its digits is 1800, while the sum is 29.

The square root of 1151265116 is about 33930.2979061487. The cubic root of 1151265116 is about 1048.0736004386.

Adding to 1151265116 its reverse (6115621511), we get a palindrome (7266886627).

The spelling of 1151265116 in words is "one billion, one hundred fifty-one million, two hundred sixty-five thousand, one hundred sixteen".