1156552255 has 8 divisors (see below), whose sum is σ = 1391161824. Its totient is φ = 923042400.

The previous prime is 1156552183. The next prime is 1156552261. The reversal of 1156552255 is 5522556511.

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

It is not a de Polignac number, because 1156552255 - 2¹¹ = 1156550207 is a prime.

It is a super-2 number, since 2×1156552255² = 2675226237091170050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 272611 + ... + 276820.

It is an arithmetic number, because the mean of its divisors is an integer number (173895228).

Almost surely, 2^1156552255 is an apocalyptic number.

1156552255 is a deficient number, since it is larger than the sum of its proper divisors (234609569).

1156552255 is an equidigital number, since it uses as much as digits as its factorization.

1156552255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 549857.

The product of its digits is 75000, while the sum is 37.

The square root of 1156552255 is about 34008.1204273332. The cubic root of 1156552255 is about 1049.6755626505.

The spelling of 1156552255 in words is "one billion, one hundred fifty-six million, five hundred fifty-two thousand, two hundred fifty-five".