11138801 has 4 divisors (see below), whose sum is σ = 11253732. Its totient is φ = 11023872.

The previous prime is 11138767. The next prime is 11138821. The reversal of 11138801 is 10883111.

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 1677025 + 9461776 = 1295^2 + 3076^2 .

It is a cyclic number.

It is not a de Polignac number, because 11138801 - 2¹⁴ = 11122417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11138821) 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, 57320 + ... + 57513.

It is an arithmetic number, because the mean of its divisors is an integer number (2813433).

Almost surely, 2^11138801 is an apocalyptic number.

It is an amenable number.

11138801 is a deficient number, since it is larger than the sum of its proper divisors (114931).

11138801 is an equidigital number, since it uses as much as digits as its factorization.

11138801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114930.

The product of its (nonzero) digits is 192, while the sum is 23.

The square root of 11138801 is about 3337.4842321725. The cubic root of 11138801 is about 223.3295281647.

The spelling of 11138801 in words is "eleven million, one hundred thirty-eight thousand, eight hundred one".