11513004355156 has 24 divisors (see below), whose sum is σ = 20361336663080. Its totient is φ = 5695513823232.

The previous prime is 11513004355121. The next prime is 11513004355157. The reversal of 11513004355156 is 65155340031511.

It can be written as a sum of positive squares in 4 ways, for example, as 567361458756 + 10945642896400 = 753234^2 + 3308420^2 .

It is a super-3 number, since 3×11513004355156³ (a number of 40 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11513004355157) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2930865 + ... + 5622808.

Almost surely, 2^{11513004355156} is an apocalyptic number.

It is an amenable number.

11513004355156 is a deficient number, since it is larger than the sum of its proper divisors (8848332307924).

11513004355156 is a wasteful number, since it uses less digits than its factorization.

11513004355156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8557243 (or 8557241 counting only the distinct ones).

The product of its (nonzero) digits is 135000, while the sum is 40.

Adding to 11513004355156 its reverse (65155340031511), we get a palindrome (76668344386667).

The spelling of 11513004355156 in words is "eleven trillion, five hundred thirteen billion, four million, three hundred fifty-five thousand, one hundred fifty-six".