1152016261 has 8 divisors (see below), whose sum is σ = 1257141024. Its totient is φ = 1046957520.

The previous prime is 1152016253. The next prime is 1152016273. The reversal of 1152016261 is 1626102511.

It is a happy number.

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 1152016261 - 2³ = 1152016253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1152016211) 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, 24406 + ... + 53848.

It is an arithmetic number, because the mean of its divisors is an integer number (157142628).

Almost surely, 2^1152016261 is an apocalyptic number.

1152016261 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1152016261 is a deficient number, since it is larger than the sum of its proper divisors (105124763).

1152016261 is a wasteful number, since it uses less digits than its factorization.

1152016261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33011.

The product of its (nonzero) digits is 720, while the sum is 25.

The square root of 1152016261 is about 33941.3650432625. The cubic root of 1152016261 is about 1048.3014900534.

Adding to 1152016261 its reverse (1626102511), we get a palindrome (2778118772).

The spelling of 1152016261 in words is "one billion, one hundred fifty-two million, sixteen thousand, two hundred sixty-one".