11915011971119 has 2 divisors, whose sum is σ = 11915011971120. Its totient is φ = 11915011971118.

The previous prime is 11915011971067. The next prime is 11915011971229. The reversal of 11915011971119 is 91117911051911.

11915011971119 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 an emirp because it is prime and its reverse (91117911051911) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11915011971119 - 2⁸ = 11915011970863 is a prime.

It is a super-2 number, since 2×11915011971119² (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 (11915011971619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5957505985559 + 5957505985560.

It is an arithmetic number, because the mean of its divisors is an integer number (5957505985560).

Almost surely, 2^{11915011971119} is an apocalyptic number.

11915011971119 is a deficient number, since it is larger than the sum of its proper divisors (1).

11915011971119 is an equidigital number, since it uses as much as digits as its factorization.

11915011971119 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25515, while the sum is 47.

The spelling of 11915011971119 in words is "eleven trillion, nine hundred fifteen billion, eleven million, nine hundred seventy-one thousand, one hundred nineteen".