11005145087 has 8 divisors (see below), whose sum is σ = 11486920704. Its totient is φ = 10523643768.

The previous prime is 11005145077. The next prime is 11005145113. The reversal of 11005145087 is 78054150011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11005145087 - 2¹⁶ = 11005079551 is a prime.

It is a super-2 number, since 2×11005145087² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11005145017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15638 + ... + 149180.

It is an arithmetic number, because the mean of its divisors is an integer number (1435865088).

Almost surely, 2^11005145087 is an apocalyptic number.

11005145087 is a deficient number, since it is larger than the sum of its proper divisors (481775617).

11005145087 is a wasteful number, since it uses less digits than its factorization.

11005145087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137149.

The product of its (nonzero) digits is 5600, while the sum is 32.

Adding to 11005145087 its reverse (78054150011), we get a palindrome (89059295098).

The spelling of 11005145087 in words is "eleven billion, five million, one hundred forty-five thousand, eighty-seven".