1161260615 has 8 divisors (see below), whose sum is σ = 1394307600. Its totient is φ = 928478592.

The previous prime is 1161260587. The next prime is 1161260689. The reversal of 1161260615 is 5160621611.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1161260615 is a prime.

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 7 ways as a sum of consecutive naturals, for example, 56465 + ... + 74234.

It is an arithmetic number, because the mean of its divisors is an integer number (174288450).

Almost surely, 2^1161260615 is an apocalyptic number.

1161260615 is a deficient number, since it is larger than the sum of its proper divisors (233046985).

1161260615 is a wasteful number, since it uses less digits than its factorization.

1161260615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132481.

The product of its (nonzero) digits is 2160, while the sum is 29.

The square root of 1161260615 is about 34077.2741720930. The cubic root of 1161260615 is about 1051.0980546170.

It can be divided in two parts, 11612 and 60615, that added together give a palindrome (72227).

The spelling of 1161260615 in words is "one billion, one hundred sixty-one million, two hundred sixty thousand, six hundred fifteen".