11143040005545 has 48 divisors (see below), whose sum is σ = 20789197611840. Its totient is φ = 5081803579776.

The previous prime is 11143040005463. The next prime is 11143040005571. The reversal of 11143040005545 is 54550004034111.

It is not a de Polignac number, because 11143040005545 - 2¹⁴ = 11143039989161 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 17783442 + ... + 18399371.

It is an arithmetic number, because the mean of its divisors is an integer number (433108283580).

Almost surely, 2^{11143040005545} is an apocalyptic number.

11143040005545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11143040005545 is a deficient number, since it is larger than the sum of its proper divisors (9646157606295).

11143040005545 is a wasteful number, since it uses less digits than its factorization.

11143040005545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36183254 (or 36183247 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 33.

Adding to 11143040005545 its reverse (54550004034111), we get a palindrome (65693044039656).

The spelling of 11143040005545 in words is "eleven trillion, one hundred forty-three billion, forty million, five thousand, five hundred forty-five".