1150551515 has 8 divisors (see below), whose sum is σ = 1425199488. Its totient is φ = 890749440.

The previous prime is 1150551491. The next prime is 1150551527. The reversal of 1150551515 is 5151550511.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1150551515 - 2¹⁶ = 1150485979 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 3711302 + ... + 3711611.

It is an arithmetic number, because the mean of its divisors is an integer number (178149936).

Almost surely, 2^1150551515 is an apocalyptic number.

1150551515 is a deficient number, since it is larger than the sum of its proper divisors (274647973).

1150551515 is an equidigital number, since it uses as much as digits as its factorization.

1150551515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7422949.

The product of its (nonzero) digits is 3125, while the sum is 29.

The square root of 1150551515 is about 33919.7805859649. The cubic root of 1150551515 is about 1047.8570094496.

The spelling of 1150551515 in words is "one billion, one hundred fifty million, five hundred fifty-one thousand, five hundred fifteen".