11040144123 has 32 divisors (see below), whose sum is σ = 15813504000. Its totient is φ = 6830666496.

The previous prime is 11040144103. The next prime is 11040144139. The reversal of 11040144123 is 32144104011.

It is not a de Polignac number, because 11040144123 - 2¹⁰ = 11040143099 is a prime.

It is a super-2 number, since 2×11040144123² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11040144123.

It is not an unprimeable number, because it can be changed into a prime (11040144103) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 611086 + ... + 628892.

It is an arithmetic number, because the mean of its divisors is an integer number (494172000).

Almost surely, 2^11040144123 is an apocalyptic number.

11040144123 is a deficient number, since it is larger than the sum of its proper divisors (4773359877).

11040144123 is a wasteful number, since it uses less digits than its factorization.

11040144123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18051.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 11040144123 its reverse (32144104011), we get a palindrome (43184248134).

The spelling of 11040144123 in words is "eleven billion, forty million, one hundred forty-four thousand, one hundred twenty-three".