11915583441 has 16 divisors (see below), whose sum is σ = 16838265600. Its totient is φ = 7469215488.

The previous prime is 11915583409. The next prime is 11915583461. The reversal of 11915583441 is 14438551911.

It is not a de Polignac number, because 11915583441 - 2⁵ = 11915583409 is a prime.

It is a super-2 number, since 2×11915583441² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11915583393 and 11915583402.

It is not an unprimeable number, because it can be changed into a prime (11915583461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59446 + ... + 165423.

It is an arithmetic number, because the mean of its divisors is an integer number (1052391600).

Almost surely, 2^11915583441 is an apocalyptic number.

It is an amenable number.

11915583441 is a deficient number, since it is larger than the sum of its proper divisors (4922682159).

11915583441 is a wasteful number, since it uses less digits than its factorization.

11915583441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225928.

The product of its digits is 86400, while the sum is 42.

The spelling of 11915583441 in words is "eleven billion, nine hundred fifteen million, five hundred eighty-three thousand, four hundred forty-one".