11420040441 has 8 divisors (see below), whose sum is σ = 15284617920. Its totient is φ = 7584411632.

The previous prime is 11420040409. The next prime is 11420040449. The reversal of 11420040441 is 14404002411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11420040441 - 2⁵ = 11420040409 is a prime.

It is a super-3 number, since 3×11420040441³ (a number of 31 digits) contains 333 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11420040449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7236246 + ... + 7237823.

It is an arithmetic number, because the mean of its divisors is an integer number (1910577240).

Almost surely, 2^11420040441 is an apocalyptic number.

It is an amenable number.

11420040441 is a deficient number, since it is larger than the sum of its proper divisors (3864577479).

11420040441 is a wasteful number, since it uses less digits than its factorization.

11420040441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14474335.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 11420040441 its reverse (14404002411), we get a palindrome (25824042852).

The spelling of 11420040441 in words is "eleven billion, four hundred twenty million, forty thousand, four hundred forty-one".