11155653441 has 12 divisors (see below), whose sum is σ = 16136458260. Its totient is φ = 7426608480.

The previous prime is 11155653413. The next prime is 11155653449. The reversal of 11155653441 is 14435655111.

11155653441 is a `hidden beast` number, since 1 + 1 + 155 + 65 + 3 + 441 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 3982241025 + 7173412416 = 63105^2 + 84696^2 .

It is not a de Polignac number, because 11155653441 - 2¹⁵ = 11155620673 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11155653396 and 11155653405.

It is not an unprimeable number, because it can be changed into a prime (11155653449) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 867750 + ... + 880511.

It is an arithmetic number, because the mean of its divisors is an integer number (1344704855).

Almost surely, 2^11155653441 is an apocalyptic number.

It is an amenable number.

11155653441 is a deficient number, since it is larger than the sum of its proper divisors (4980804819).

11155653441 is a wasteful number, since it uses less digits than its factorization.

11155653441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1748976 (or 1748973 counting only the distinct ones).

The product of its digits is 36000, while the sum is 36.

The spelling of 11155653441 in words is "eleven billion, one hundred fifty-five million, six hundred fifty-three thousand, four hundred forty-one".