11552001 has 8 divisors (see below), whose sum is σ = 15420000. Its totient is φ = 7692672.

The previous prime is 11551999. The next prime is 11552011. The reversal of 11552001 is 10025511.

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

It is not a de Polignac number, because 11552001 - 2¹ = 11551999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11552011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2206 + ... + 5288.

It is an arithmetic number, because the mean of its divisors is an integer number (1927500).

Almost surely, 2^11552001 is an apocalyptic number.

It is an amenable number.

11552001 is a deficient number, since it is larger than the sum of its proper divisors (3867999).

11552001 is a wasteful number, since it uses less digits than its factorization.

11552001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4335.

The product of its (nonzero) digits is 50, while the sum is 15.

The square root of 11552001 is about 3398.8234729094. The cubic root of 11552001 is about 226.0575792413.

Adding to 11552001 its reverse (10025511), we get a palindrome (21577512).

The spelling of 11552001 in words is "eleven million, five hundred fifty-two thousand, one".