11045453100 has 144 divisors (see below), whose sum is σ = 34955429376. Its totient is φ = 2670624000.

The previous prime is 11045453099. The next prime is 11045453113. The reversal of 11045453100 is 135454011.

It is a happy number.

It is a super-2 number, since 2×11045453100² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1305885 + ... + 1314315.

Almost surely, 2^11045453100 is an apocalyptic number.

11045453100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11045453100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17477714688).

11045453100 is an abundant number, since it is smaller than the sum of its proper divisors (23909976276).

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

11045453100 is a wasteful number, since it uses less digits than its factorization.

11045453100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8856 (or 8849 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

The spelling of 11045453100 in words is "eleven billion, forty-five million, four hundred fifty-three thousand, one hundred".