11138570 has 16 divisors (see below), whose sum is σ = 21229128. Its totient is φ = 4193280.

The previous prime is 11138563. The next prime is 11138573. The reversal of 11138570 is 7583111.

11138570 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 10297681 + 840889 = 3209^2 + 917^2 .

It is not an unprimeable number, because it can be changed into a prime (11138573) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32591 + ... + 32930.

Almost surely, 2^11138570 is an apocalyptic number.

11138570 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11138570 is a deficient number, since it is larger than the sum of its proper divisors (10090558).

11138570 is a wasteful number, since it uses less digits than its factorization.

11138570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65545.

The product of its (nonzero) digits is 840, while the sum is 26.

The square root of 11138570 is about 3337.4496250880. The cubic root of 11138570 is about 223.3279843277.

The spelling of 11138570 in words is "eleven million, one hundred thirty-eight thousand, five hundred seventy".