11005390 has 16 divisors (see below), whose sum is σ = 21610800. Its totient is φ = 4001920.

The previous prime is 11005387. The next prime is 11005399. The reversal of 11005390 is 9350011.

It is a super-2 number, since 2×11005390² = 242237218104200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11005399) 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, 49915 + ... + 50134.

It is an arithmetic number, because the mean of its divisors is an integer number (1350675).

Almost surely, 2^11005390 is an apocalyptic number.

11005390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11005390 is a deficient number, since it is larger than the sum of its proper divisors (10605410).

11005390 is a wasteful number, since it uses less digits than its factorization.

11005390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100067.

The product of its (nonzero) digits is 135, while the sum is 19.

The square root of 11005390 is about 3317.4372639132. The cubic root of 11005390 is about 222.4343281336.

The spelling of 11005390 in words is "eleven million, five thousand, three hundred ninety".