11619585623 has 2 divisors, whose sum is σ = 11619585624. Its totient is φ = 11619585622.

The previous prime is 11619585521. The next prime is 11619585661. The reversal of 11619585623 is 32658591611.

It is a strong prime.

It is an emirp because it is prime and its reverse (32658591611) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11619585623 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11619585683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5809792811 + 5809792812.

It is an arithmetic number, because the mean of its divisors is an integer number (5809792812).

Almost surely, 2^11619585623 is an apocalyptic number.

11619585623 is a deficient number, since it is larger than the sum of its proper divisors (1).

11619585623 is an equidigital number, since it uses as much as digits as its factorization.

11619585623 is an evil number, because the sum of its binary digits is even.

The product of its digits is 388800, while the sum is 47.

The spelling of 11619585623 in words is "eleven billion, six hundred nineteen million, five hundred eighty-five thousand, six hundred twenty-three".