11145100542 has 16 divisors (see below), whose sum is σ = 22291251840. Its totient is φ = 3714858392.

The previous prime is 11145100517. The next prime is 11145100621. The reversal of 11145100542 is 24500154111.

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, 190759 + ... + 242237.

It is an arithmetic number, because the mean of its divisors is an integer number (1393203240).

Almost surely, 2^11145100542 is an apocalyptic number.

11145100542 is an abundant number, since it is smaller than the sum of its proper divisors (11146151298).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11145100542 is a wasteful number, since it uses less digits than its factorization.

11145100542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87567.

The product of its (nonzero) digits is 800, while the sum is 24.

Adding to 11145100542 its reverse (24500154111), we get a palindrome (35645254653).

The spelling of 11145100542 in words is "eleven billion, one hundred forty-five million, one hundred thousand, five hundred forty-two".