1151349756 has 24 divisors (see below), whose sum is σ = 2688975744. Its totient is φ = 383427120.

The previous prime is 1151349751. The next prime is 1151349761. The reversal of 1151349756 is 6579431511.

It is an interprime number because it is at equal distance from previous prime (1151349751) and next prime (1151349761).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1151349751) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30880 + ... + 57063.

It is an arithmetic number, because the mean of its divisors is an integer number (112040656).

Almost surely, 2^1151349756 is an apocalyptic number.

It is an amenable number.

1151349756 is an abundant number, since it is smaller than the sum of its proper divisors (1537625988).

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

1151349756 is a wasteful number, since it uses less digits than its factorization.

1151349756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89041 (or 89039 counting only the distinct ones).

The product of its digits is 113400, while the sum is 42.

The square root of 1151349756 is about 33931.5451460731. The cubic root of 1151349756 is about 1048.0992842927.

The spelling of 1151349756 in words is "one billion, one hundred fifty-one million, three hundred forty-nine thousand, seven hundred fifty-six".