11070557 has 4 divisors (see below), whose sum is σ = 11110236. Its totient is φ = 11030880.

The previous prime is 11070539. The next prime is 11070571. The reversal of 11070557 is 75507011.

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

It can be written as a sum of positive squares in 2 ways, for example, as 7761796 + 3308761 = 2786^2 + 1819^2 .

It is a cyclic number.

It is not a de Polignac number, because 11070557 - 2²² = 6876253 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 (11070517) by changing a digit.

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, 19418 + ... + 19979.

It is an arithmetic number, because the mean of its divisors is an integer number (2777559).

Almost surely, 2^11070557 is an apocalyptic number.

It is an amenable number.

11070557 is a deficient number, since it is larger than the sum of its proper divisors (39679).

11070557 is an equidigital number, since it uses as much as digits as its factorization.

11070557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39678.

The product of its (nonzero) digits is 1225, while the sum is 26.

The square root of 11070557 is about 3327.2446558677. The cubic root of 11070557 is about 222.8725031483.

Adding to 11070557 its reverse (75507011), we get a palindrome (86577568).

The spelling of 11070557 in words is "eleven million, seventy thousand, five hundred fifty-seven".