11213101034551 has 48 divisors (see below), whose sum is σ = 13438847213568. Its totient is φ = 9281004480000.

The previous prime is 11213101034537. The next prime is 11213101034557. The reversal of 11213101034551 is 15543010131211.

It is a happy number.

11213101034551 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11213101034551 - 2⁵ = 11213101034519 is a prime.

It is a super-2 number, since 2×11213101034551² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11213101034557) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 21430666 + ... + 21947656.

It is an arithmetic number, because the mean of its divisors is an integer number (279975983616).

Almost surely, 2^{11213101034551} is an apocalyptic number.

11213101034551 is a deficient number, since it is larger than the sum of its proper divisors (2225746179017).

11213101034551 is a wasteful number, since it uses less digits than its factorization.

11213101034551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 517312 (or 517295 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 28.

Adding to 11213101034551 its reverse (15543010131211), we get a palindrome (26756111165762).

The spelling of 11213101034551 in words is "eleven trillion, two hundred thirteen billion, one hundred one million, thirty-four thousand, five hundred fifty-one".