11552755 has 4 divisors (see below), whose sum is σ = 13863312. Its totient is φ = 9242200.

The previous prime is 11552719. The next prime is 11552771. The reversal of 11552755 is 55725511.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-11552755 is a prime.

It is a super-3 number, since 3×11552755³ (a number of 22 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1155271 + ... + 1155280.

It is an arithmetic number, because the mean of its divisors is an integer number (3465828).

Almost surely, 2^11552755 is an apocalyptic number.

11552755 is a deficient number, since it is larger than the sum of its proper divisors (2310557).

11552755 is an equidigital number, since it uses as much as digits as its factorization.

11552755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2310556.

The product of its digits is 8750, while the sum is 31.

The square root of 11552755 is about 3398.9343918352. The cubic root of 11552755 is about 226.0624973996.

The spelling of 11552755 in words is "eleven million, five hundred fifty-two thousand, seven hundred fifty-five".