11513160220253 has 2 divisors, whose sum is σ = 11513160220254. Its totient is φ = 11513160220252.

The previous prime is 11513160220223. The next prime is 11513160220279. The reversal of 11513160220253 is 35202206131511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5989659074884 + 5523501145369 = 2447378^2 + 2350213^2 .

It is a cyclic number.

It is not a de Polignac number, because 11513160220253 - 2⁸ = 11513160219997 is a prime.

It is a super-2 number, since 2×11513160220253² (a number of 27 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11513160220223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5756580110126 + 5756580110127.

It is an arithmetic number, because the mean of its divisors is an integer number (5756580110127).

Almost surely, 2^{11513160220253} is an apocalyptic number.

It is an amenable number.

11513160220253 is a deficient number, since it is larger than the sum of its proper divisors (1).

11513160220253 is an equidigital number, since it uses as much as digits as its factorization.

11513160220253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10800, while the sum is 32.

Adding to 11513160220253 its reverse (35202206131511), we get a palindrome (46715366351764).

The spelling of 11513160220253 in words is "eleven trillion, five hundred thirteen billion, one hundred sixty million, two hundred twenty thousand, two hundred fifty-three".