1115151156 has 72 divisors (see below), whose sum is σ = 3227113344. Its totient is φ = 318064320.

The previous prime is 1115151151. The next prime is 1115151197. The reversal of 1115151156 is 6511515111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1115151151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 155506 + ... + 162518.

Almost surely, 2^1115151156 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1115151156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1613556672).

1115151156 is an abundant number, since it is smaller than the sum of its proper divisors (2111962188).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1115151156 is a wasteful number, since it uses less digits than its factorization.

1115151156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7661 (or 7656 counting only the distinct ones).

The product of its digits is 750, while the sum is 27.

The square root of 1115151156 is about 33393.8790199641. The cubic root of 1115151156 is about 1036.9979861137.

Adding to 1115151156 its reverse (6511515111), we get a palindrome (7626666267).

The spelling of 1115151156 in words is "one billion, one hundred fifteen million, one hundred fifty-one thousand, one hundred fifty-six".