11420115 has 32 divisors (see below), whose sum is σ = 21236736. Its totient is φ = 5132160.

The previous prime is 11420111. The next prime is 11420131. The reversal of 11420115 is 51102411.

It is a happy number.

11420115 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11420115 - 2² = 11420111 is a prime.

It is a super-3 number, since 3×11420115³ (a number of 22 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a junction number, because it is equal to n+sod(n) for n = 11420094 and 11420103.

It is not an unprimeable number, because it can be changed into a prime (11420111) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5514 + ... + 7296.

It is an arithmetic number, because the mean of its divisors is an integer number (663648).

Almost surely, 2^11420115 is an apocalyptic number.

11420115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11420115 is a deficient number, since it is larger than the sum of its proper divisors (9816621).

11420115 is a wasteful number, since it uses less digits than its factorization.

11420115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1859.

The product of its (nonzero) digits is 40, while the sum is 15.

The square root of 11420115 is about 3379.3660648116. The cubic root of 11420115 is about 225.1940055108.

Adding to 11420115 its reverse (51102411), we get a palindrome (62522526).

The spelling of 11420115 in words is "eleven million, four hundred twenty thousand, one hundred fifteen".