11445053505 has 32 divisors (see below), whose sum is σ = 18975221760. Its totient is φ = 5886578880.

The previous prime is 11445053491. The next prime is 11445053507. The reversal of 11445053505 is 50535054411.

It is not a de Polignac number, because 11445053505 - 2⁶ = 11445053441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11445053507) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 61351 + ... + 163260.

It is an arithmetic number, because the mean of its divisors is an integer number (592975680).

Almost surely, 2^11445053505 is an apocalyptic number.

11445053505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11445053505 is a deficient number, since it is larger than the sum of its proper divisors (7530168255).

11445053505 is a wasteful number, since it uses less digits than its factorization.

11445053505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224741.

The product of its (nonzero) digits is 30000, while the sum is 33.

The spelling of 11445053505 in words is "eleven billion, four hundred forty-five million, fifty-three thousand, five hundred five".