11618506239719 has 2 divisors, whose sum is σ = 11618506239720. Its totient is φ = 11618506239718.

The previous prime is 11618506239617. The next prime is 11618506239727. The reversal of 11618506239719 is 91793260581611.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11618506239719 - 2²⁸ = 11618237804263 is a prime.

It is a super-2 number, since 2×11618506239719² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11618506239019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5809253119859 + 5809253119860.

It is an arithmetic number, because the mean of its divisors is an integer number (5809253119860).

Almost surely, 2^{11618506239719} is an apocalyptic number.

11618506239719 is a deficient number, since it is larger than the sum of its proper divisors (1).

11618506239719 is an equidigital number, since it uses as much as digits as its factorization.

11618506239719 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4898880, while the sum is 59.

The spelling of 11618506239719 in words is "eleven trillion, six hundred eighteen billion, five hundred six million, two hundred thirty-nine thousand, seven hundred nineteen".