11030521145 has 16 divisors (see below), whose sum is σ = 16017429888. Its totient is φ = 7118856960.

The previous prime is 11030521123. The next prime is 11030521147. The reversal of 11030521145 is 54112503011.

It is not a de Polignac number, because 11030521145 - 2¹⁶ = 11030455609 is a prime.

It is a super-2 number, since 2×11030521145² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11030521145.

It is not an unprimeable number, because it can be changed into a prime (11030521147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9268751 + ... + 9269940.

It is an arithmetic number, because the mean of its divisors is an integer number (1001089368).

Almost surely, 2^11030521145 is an apocalyptic number.

It is an amenable number.

11030521145 is a deficient number, since it is larger than the sum of its proper divisors (4986908743).

11030521145 is a wasteful number, since it uses less digits than its factorization.

11030521145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18538720.

The product of its (nonzero) digits is 600, while the sum is 23.

The spelling of 11030521145 in words is "eleven billion, thirty million, five hundred twenty-one thousand, one hundred forty-five".