1151252514 has 20 divisors (see below), whose sum is σ = 2579658774. Its totient is φ = 383750784.

The previous prime is 1151252513. The next prime is 1151252567. The reversal of 1151252514 is 4152521511.

It is a happy number.

1151252514 is a `hidden beast` number, since 115 + 12 + 525 + 14 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1000773225 + 150479289 = 31635^2 + 12267^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1151252513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 3553087 + ... + 3553410.

Almost surely, 2^1151252514 is an apocalyptic number.

1151252514 is an abundant number, since it is smaller than the sum of its proper divisors (1428406260).

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

1151252514 is an equidigital number, since it uses as much as digits as its factorization.

1151252514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7106511 (or 7106502 counting only the distinct ones).

The product of its digits is 2000, while the sum is 27.

The square root of 1151252514 is about 33930.1122014060. The cubic root of 1151252514 is about 1048.0697762770.

The spelling of 1151252514 in words is "one billion, one hundred fifty-one million, two hundred fifty-two thousand, five hundred fourteen".