11145513411 has 20 divisors (see below), whose sum is σ = 17525761000. Its totient is φ = 7039270656.

The previous prime is 11145513391. The next prime is 11145513433. The reversal of 11145513411 is 11431554111.

It is a happy number.

11145513411 is a `hidden beast` number, since 1 + 1 + 145 + 513 + 4 + 1 + 1 = 666.

It is not a de Polignac number, because 11145513411 - 2⁷ = 11145513283 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11145513451) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3619486 + ... + 3622563.

It is an arithmetic number, because the mean of its divisors is an integer number (876288050).

Almost surely, 2^11145513411 is an apocalyptic number.

11145513411 is a deficient number, since it is larger than the sum of its proper divisors (6380247589).

11145513411 is an equidigital number, since it uses as much as digits as its factorization.

11145513411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7242080 (or 7242071 counting only the distinct ones).

The product of its digits is 1200, while the sum is 27.

The spelling of 11145513411 in words is "eleven billion, one hundred forty-five million, five hundred thirteen thousand, four hundred eleven".