11541390 has 32 divisors (see below), whose sum is σ = 31656960. Its totient is φ = 2637984.

The previous prime is 11541389. The next prime is 11541401. The reversal of 11541390 is 9314511.

It is a self number, because there is not a number n which added to its sum of digits gives 11541390.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27270 + ... + 27689.

It is an arithmetic number, because the mean of its divisors is an integer number (989280).

Almost surely, 2^11541390 is an apocalyptic number.

11541390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11541390 is an abundant number, since it is smaller than the sum of its proper divisors (20115570).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11541390 is a wasteful number, since it uses less digits than its factorization.

11541390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54976.

The product of its (nonzero) digits is 540, while the sum is 24.

The square root of 11541390 is about 3397.2621329535. The cubic root of 11541390 is about 225.9883435657.

The spelling of 11541390 in words is "eleven million, five hundred forty-one thousand, three hundred ninety".