11012803511450 has 48 divisors (see below), whose sum is σ = 22061984697816. Its totient is φ = 4065806534400.

The previous prime is 11012803511441. The next prime is 11012803511473. The reversal of 11012803511450 is 5411530821011.

It can be written as a sum of positive squares in 12 ways, for example, as 156826296169 + 10855977215281 = 396013^2 + 3294841^2 .

It is a super-2 number, since 2×11012803511450² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4827860 + ... + 6733040.

Almost surely, 2^{11012803511450} is an apocalyptic number.

11012803511450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11012803511450 is an abundant number, since it is smaller than the sum of its proper divisors (11049181186366).

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

11012803511450 is a wasteful number, since it uses less digits than its factorization.

11012803511450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1914099 (or 1914094 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 32.

The spelling of 11012803511450 in words is "eleven trillion, twelve billion, eight hundred three million, five hundred eleven thousand, four hundred fifty".