11378578 has 4 divisors (see below), whose sum is σ = 17067870. Its totient is φ = 5689288.

The previous prime is 11378567. The next prime is 11378579. The reversal of 11378578 is 87587311.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 10870209 + 508369 = 3297^2 + 713^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 11378578.

It is not an unprimeable number, because it can be changed into a prime (11378579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2844643 + ... + 2844646.

Almost surely, 2^11378578 is an apocalyptic number.

11378578 is a deficient number, since it is larger than the sum of its proper divisors (5689292).

11378578 is an equidigital number, since it uses as much as digits as its factorization.

11378578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5689291.

The product of its digits is 47040, while the sum is 40.

The square root of 11378578 is about 3373.2147871133. The cubic root of 11378578 is about 224.9206502086.

The spelling of 11378578 in words is "eleven million, three hundred seventy-eight thousand, five hundred seventy-eight".