1151245264 has 80 divisors (see below), whose sum is σ = 2610388480. Its totient is φ = 487088640.

The previous prime is 1151245261. The next prime is 1151245297. The reversal of 1151245264 is 4625421511.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1151245261) 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, 117814 + ... + 127210.

It is an arithmetic number, because the mean of its divisors is an integer number (32629856).

Almost surely, 2^1151245264 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 1151245264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1305194240).

1151245264 is an abundant number, since it is smaller than the sum of its proper divisors (1459143216).

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

1151245264 is a wasteful number, since it uses less digits than its factorization.

1151245264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9468 (or 9462 counting only the distinct ones).

The product of its digits is 9600, while the sum is 31.

The square root of 1151245264 is about 33930.0053639843. The cubic root of 1151245264 is about 1048.0675762031.

Adding to 1151245264 its reverse (4625421511), we get a palindrome (5776666775).

The spelling of 1151245264 in words is "one billion, one hundred fifty-one million, two hundred forty-five thousand, two hundred sixty-four".