11052551 has 4 divisors (see below), whose sum is σ = 11072952. Its totient is φ = 11032152.

The previous prime is 11052497. The next prime is 11052553. The reversal of 11052551 is 15525011.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 11052551 - 2⁶ = 11052487 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11052553) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9365 + ... + 10478.

It is an arithmetic number, because the mean of its divisors is an integer number (2768238).

Almost surely, 2^11052551 is an apocalyptic number.

11052551 is a deficient number, since it is larger than the sum of its proper divisors (20401).

11052551 is an equidigital number, since it uses as much as digits as its factorization.

11052551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20400.

The product of its (nonzero) digits is 250, while the sum is 20.

The square root of 11052551 is about 3324.5377122241. The cubic root of 11052551 is about 222.7516052878.

Adding to 11052551 its reverse (15525011), we get a palindrome (26577562).

The spelling of 11052551 in words is "eleven million, fifty-two thousand, five hundred fifty-one".