11505450410 has 16 divisors (see below), whose sum is σ = 21100562856. Its totient is φ = 4515346368.

The previous prime is 11505450389. The next prime is 11505450421. The reversal of 11505450410 is 1405450511.

It can be written as a sum of positive squares in 4 ways, for example, as 11492483209 + 12967201 = 107203^2 + 3601^2 .

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 11505450410.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10853669 + ... + 10854728.

Almost surely, 2^11505450410 is an apocalyptic number.

11505450410 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11505450410 is a deficient number, since it is larger than the sum of its proper divisors (9595112446).

11505450410 is a wasteful number, since it uses less digits than its factorization.

11505450410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21708457.

The product of its (nonzero) digits is 2000, while the sum is 26.

The spelling of 11505450410 in words is "eleven billion, five hundred five million, four hundred fifty thousand, four hundred ten".