11401619 has 4 divisors (see below), whose sum is σ = 11408760. Its totient is φ = 11394480.

The previous prime is 11401613. The next prime is 11401639. The reversal of 11401619 is 91610411.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 11401619 - 2⁴ = 11401603 is a prime.

It is a super-2 number, since 2×11401619² = 259993831642322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11401594 and 11401603.

It is not an unprimeable number, because it can be changed into a prime (11401613) 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, 47 + ... + 4775.

It is an arithmetic number, because the mean of its divisors is an integer number (2852190).

Almost surely, 2^11401619 is an apocalyptic number.

11401619 is a deficient number, since it is larger than the sum of its proper divisors (7141).

11401619 is an equidigital number, since it uses as much as digits as its factorization.

11401619 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7140.

The product of its (nonzero) digits is 216, while the sum is 23.

The square root of 11401619 is about 3376.6283479234. The cubic root of 11401619 is about 225.0723652005.

The spelling of 11401619 in words is "eleven million, four hundred one thousand, six hundred nineteen".