1151611465 has 8 divisors (see below), whose sum is σ = 1382117760. Its totient is φ = 921166512.

The previous prime is 1151611457. The next prime is 1151611469. The reversal of 1151611465 is 5641161511.

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

It is a cyclic number.

It is not a de Polignac number, because 1151611465 - 2³ = 1151611457 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1151611469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56976 + ... + 74494.

It is an arithmetic number, because the mean of its divisors is an integer number (172764720).

Almost surely, 2^1151611465 is an apocalyptic number.

It is an amenable number.

1151611465 is a deficient number, since it is larger than the sum of its proper divisors (230506295).

1151611465 is a wasteful number, since it uses less digits than its factorization.

1151611465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30671.

The product of its digits is 3600, while the sum is 31.

The square root of 1151611465 is about 33935.4013531592. The cubic root of 1151611465 is about 1048.1786914504.

Adding to 1151611465 its reverse (5641161511), we get a palindrome (6792772976).

The spelling of 1151611465 in words is "one billion, one hundred fifty-one million, six hundred eleven thousand, four hundred sixty-five".