11540878 has 4 divisors (see below), whose sum is σ = 17311320. Its totient is φ = 5770438.

The previous prime is 11540863. The next prime is 11540953. The reversal of 11540878 is 87804511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 87804511 = 1319 ⋅66569.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2885218 + ... + 2885221.

It is an arithmetic number, because the mean of its divisors is an integer number (4327830).

Almost surely, 2^11540878 is an apocalyptic number.

11540878 is a deficient number, since it is larger than the sum of its proper divisors (5770442).

11540878 is an equidigital number, since it uses as much as digits as its factorization.

11540878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5770441.

The product of its (nonzero) digits is 8960, while the sum is 34.

The square root of 11540878 is about 3397.1867773203. The cubic root of 11540878 is about 225.9850017457.

The spelling of 11540878 in words is "eleven million, five hundred forty thousand, eight hundred seventy-eight".