1151632065 has 8 divisors (see below), whose sum is σ = 1842611328. Its totient is φ = 614203760.

The previous prime is 1151632061. The next prime is 1151632087. The reversal of 1151632065 is 5602361511.

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

It is not a de Polignac number, because 1151632065 - 2² = 1151632061 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1151632061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38387721 + ... + 38387750.

It is an arithmetic number, because the mean of its divisors is an integer number (230326416).

Almost surely, 2^1151632065 is an apocalyptic number.

1151632065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1151632065 is a deficient number, since it is larger than the sum of its proper divisors (690979263).

1151632065 is an equidigital number, since it uses as much as digits as its factorization.

1151632065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76775479.

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 1151632065 is about 33935.7048696502. The cubic root of 1151632065 is about 1048.1849413455.

Adding to 1151632065 its reverse (5602361511), we get a palindrome (6753993576).

The spelling of 1151632065 in words is "one billion, one hundred fifty-one million, six hundred thirty-two thousand, sixty-five".