11133021450 has 48 divisors (see below), whose sum is σ = 27616402080. Its totient is φ = 2968105920.

The previous prime is 11133021397. The next prime is 11133021463. The reversal of 11133021450 is 5412033111.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1079217 + ... + 1089483.

It is an arithmetic number, because the mean of its divisors is an integer number (575341710).

Almost surely, 2^11133021450 is an apocalyptic number.

11133021450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11133021450 is an abundant number, since it is smaller than the sum of its proper divisors (16483380630).

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

11133021450 is a wasteful number, since it uses less digits than its factorization.

11133021450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17511 (or 17506 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 21.

Adding to 11133021450 its reverse (5412033111), we get a palindrome (16545054561).

The spelling of 11133021450 in words is "eleven billion, one hundred thirty-three million, twenty-one thousand, four hundred fifty".