11101140534 has 32 divisors (see below), whose sum is σ = 24442894080. Its totient is φ = 3333117600.

The previous prime is 11101140529. The next prime is 11101140541. The reversal of 11101140534 is 43504110111.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 11101140534.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 764362 + ... + 778749.

It is an arithmetic number, because the mean of its divisors is an integer number (763840440).

Almost surely, 2^11101140534 is an apocalyptic number.

11101140534 is an abundant number, since it is smaller than the sum of its proper divisors (13341753546).

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

11101140534 is a wasteful number, since it uses less digits than its factorization.

11101140534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1543236.

The product of its (nonzero) digits is 240, while the sum is 21.

Adding to 11101140534 its reverse (43504110111), we get a palindrome (54605250645).

The spelling of 11101140534 in words is "eleven billion, one hundred one million, one hundred forty thousand, five hundred thirty-four".