11513020552010 has 24 divisors (see below), whose sum is σ = 21462679708236. Its totient is φ = 4446407934080.

The previous prime is 11513020552009. The next prime is 11513020552013. The reversal of 11513020552010 is 1025502031511.

It can be written as a sum of positive squares in 6 ways, for example, as 8984065059649 + 2528955492361 = 2997343^2 + 1590269^2 .

It is not an unprimeable number, because it can be changed into a prime (11513020552013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 684475571 + ... + 684492390.

Almost surely, 2^{11513020552010} is an apocalyptic number.

11513020552010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11513020552010 is a deficient number, since it is larger than the sum of its proper divisors (9949659156226).

11513020552010 is a wasteful number, since it uses less digits than its factorization.

11513020552010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1368968026 (or 1368967997 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 26.

Adding to 11513020552010 its reverse (1025502031511), we get a palindrome (12538522583521).

The spelling of 11513020552010 in words is "eleven trillion, five hundred thirteen billion, twenty million, five hundred fifty-two thousand, ten".