1151565015 has 32 divisors (see below), whose sum is σ = 1971302400. Its totient is φ = 572296320.

The previous prime is 1151564971. The next prime is 1151565043. The reversal of 1151565015 is 5105651511.

It is not a de Polignac number, because 1151565015 - 2¹² = 1151560919 is a prime.

It is a super-2 number, since 2×1151565015² = 2652203967543900450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 15735 + ... + 50504.

It is an arithmetic number, because the mean of its divisors is an integer number (61603200).

Almost surely, 2^1151565015 is an apocalyptic number.

1151565015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1151565015 is a deficient number, since it is larger than the sum of its proper divisors (819737385).

1151565015 is a wasteful number, since it uses less digits than its factorization.

1151565015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66327.

The product of its (nonzero) digits is 3750, while the sum is 30.

The square root of 1151565015 is about 33934.7169577116. The cubic root of 1151565015 is about 1048.1645985738.

The spelling of 1151565015 in words is "one billion, one hundred fifty-one million, five hundred sixty-five thousand, fifteen".