11001145551534 has 32 divisors (see below), whose sum is σ = 24500020517280. Its totient is φ = 3659093956800.

The previous prime is 11001145551493. The next prime is 11001145551581. The reversal of 11001145551534 is 43515554110011.

11001145551534 is a `hidden beast` number, since 1 + 1 + 0 + 0 + 11 + 45 + 551 + 53 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 220934887 + ... + 220984674.

It is an arithmetic number, because the mean of its divisors is an integer number (765625641165).

Almost surely, 2^{11001145551534} is an apocalyptic number.

11001145551534 is an abundant number, since it is smaller than the sum of its proper divisors (13498874965746).

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

11001145551534 is a wasteful number, since it uses less digits than its factorization.

11001145551534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441920033 (or 441920027 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 36.

Adding to 11001145551534 its reverse (43515554110011), we get a palindrome (54516699661545).

The spelling of 11001145551534 in words is "eleven trillion, one billion, one hundred forty-five million, five hundred fifty-one thousand, five hundred thirty-four".