11145543142 has 16 divisors (see below), whose sum is σ = 17122122864. Its totient is φ = 5439564000.

The previous prime is 11145543121. The next prime is 11145543163. The reversal of 11145543142 is 24134554111.

11145543142 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (11145543121) and next prime (11145543163).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 332709 + ... + 364672.

It is an arithmetic number, because the mean of its divisors is an integer number (1070132679).

Almost surely, 2^11145543142 is an apocalyptic number.

11145543142 is a deficient number, since it is larger than the sum of its proper divisors (5976579722).

11145543142 is a wasteful number, since it uses less digits than its factorization.

11145543142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 697575.

The product of its digits is 9600, while the sum is 31.

The spelling of 11145543142 in words is "eleven billion, one hundred forty-five million, five hundred forty-three thousand, one hundred forty-two".