11070521 has 48 divisors (see below), whose sum is σ = 15759360. Its totient is φ = 7650720.

The previous prime is 11070517. The next prime is 11070539. The reversal of 11070521 is 12507011.

11070521 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11070521 - 2² = 11070517 is a prime.

It is a super-2 number, since 2×11070521² = 245112870422882, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 11070521.

It is not an unprimeable number, because it can be changed into a prime (11070571) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 235520 + ... + 235566.

It is an arithmetic number, because the mean of its divisors is an integer number (328320).

Almost surely, 2^11070521 is an apocalyptic number.

11070521 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11070521 is a deficient number, since it is larger than the sum of its proper divisors (4688839).

11070521 is a wasteful number, since it uses less digits than its factorization.

11070521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114 (or 107 counting only the distinct ones).

The product of its (nonzero) digits is 70, while the sum is 17.

The square root of 11070521 is about 3327.2392459816. The cubic root of 11070521 is about 222.8722615639.

Adding to 11070521 its reverse (12507011), we get a palindrome (23577532).

The spelling of 11070521 in words is "eleven million, seventy thousand, five hundred twenty-one".