11513204451031 has 2 divisors, whose sum is σ = 11513204451032. Its totient is φ = 11513204451030.

The previous prime is 11513204450987. The next prime is 11513204451083. The reversal of 11513204451031 is 13015440231511.

It is a happy number.

11513204451031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11513204451031 - 2⁹ = 11513204450519 is a prime.

It is a super-2 number, since 2×11513204451031² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11513204450984 and 11513204451002.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11513204401031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5756602225515 + 5756602225516.

It is an arithmetic number, because the mean of its divisors is an integer number (5756602225516).

Almost surely, 2^{11513204451031} is an apocalyptic number.

11513204451031 is a deficient number, since it is larger than the sum of its proper divisors (1).

11513204451031 is an equidigital number, since it uses as much as digits as its factorization.

11513204451031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7200, while the sum is 31.

Adding to 11513204451031 its reverse (13015440231511), we get a palindrome (24528644682542).

The spelling of 11513204451031 in words is "eleven trillion, five hundred thirteen billion, two hundred four million, four hundred fifty-one thousand, thirty-one".