11615413623493 has 2 divisors, whose sum is σ = 11615413623494. Its totient is φ = 11615413623492.

The previous prime is 11615413623491. The next prime is 11615413623557. The reversal of 11615413623493 is 39432631451611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10125493115364 + 1489920508129 = 3182058^2 + 1220623^2 .

It is an emirp because it is prime and its reverse (39432631451611) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11615413623493 - 2¹ = 11615413623491 is a prime.

Together with 11615413623491, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11615413623491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5807706811746 + 5807706811747.

It is an arithmetic number, because the mean of its divisors is an integer number (5807706811747).

Almost surely, 2^{11615413623493} is an apocalyptic number.

It is an amenable number.

11615413623493 is a deficient number, since it is larger than the sum of its proper divisors (1).

11615413623493 is an equidigital number, since it uses as much as digits as its factorization.

11615413623493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1399680, while the sum is 49.

The spelling of 11615413623493 in words is "eleven trillion, six hundred fifteen billion, four hundred thirteen million, six hundred twenty-three thousand, four hundred ninety-three".