11040540142 has 4 divisors (see below), whose sum is σ = 16560810216. Its totient is φ = 5520270070.

The previous prime is 11040540139. The next prime is 11040540191. The reversal of 11040540142 is 24104504011.

11040540142 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24104504011 = 7 ⋅3443500573.

It is a super-2 number, since 2×11040540142² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2760135034 + ... + 2760135037.

It is an arithmetic number, because the mean of its divisors is an integer number (4140202554).

Almost surely, 2^11040540142 is an apocalyptic number.

11040540142 is a deficient number, since it is larger than the sum of its proper divisors (5520270074).

11040540142 is an equidigital number, since it uses as much as digits as its factorization.

11040540142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5520270073.

The product of its (nonzero) digits is 640, while the sum is 22.

The spelling of 11040540142 in words is "eleven billion, forty million, five hundred forty thousand, one hundred forty-two".