113503424653 has 2 divisors, whose sum is σ = 113503424654. Its totient is φ = 113503424652.

The previous prime is 113503424633. The next prime is 113503424717. The reversal of 113503424653 is 356424305311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 61264665289 + 52238759364 = 247517^2 + 228558^2 .

It is a cyclic number.

It is not a de Polignac number, because 113503424653 - 2⁵ = 113503424621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113503424633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56751712326 + 56751712327.

It is an arithmetic number, because the mean of its divisors is an integer number (56751712327).

Almost surely, 2^113503424653 is an apocalyptic number.

It is an amenable number.

113503424653 is a deficient number, since it is larger than the sum of its proper divisors (1).

113503424653 is an equidigital number, since it uses as much as digits as its factorization.

113503424653 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 129600, while the sum is 37.

Adding to 113503424653 its reverse (356424305311), we get a palindrome (469927729964).

It can be divided in two parts, 11350342 and 4653, that added together give a triangular number (11354995 = T₄₇₆₅).

The spelling of 113503424653 in words is "one hundred thirteen billion, five hundred three million, four hundred twenty-four thousand, six hundred fifty-three".