1171560255 has 8 divisors (see below), whose sum is σ = 1874496432. Its totient is φ = 624832128.

The previous prime is 1171560239. The next prime is 1171560259. The reversal of 1171560255 is 5520651711.

It is a happy number.

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

It is not a de Polignac number, because 1171560255 - 2⁴ = 1171560239 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1171560259) 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, 39051994 + ... + 39052023.

It is an arithmetic number, because the mean of its divisors is an integer number (234312054).

Almost surely, 2^1171560255 is an apocalyptic number.

1171560255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1171560255 is a deficient number, since it is larger than the sum of its proper divisors (702936177).

1171560255 is an equidigital number, since it uses as much as digits as its factorization.

1171560255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78104025.

The product of its (nonzero) digits is 10500, while the sum is 33.

The square root of 1171560255 is about 34228.0623903837. The cubic root of 1171560255 is about 1054.1964351883.

The spelling of 1171560255 in words is "one billion, one hundred seventy-one million, five hundred sixty thousand, two hundred fifty-five".