11515011106979 has 2 divisors, whose sum is σ = 11515011106980. Its totient is φ = 11515011106978.

The previous prime is 11515011106913. The next prime is 11515011106987. The reversal of 11515011106979 is 97960111051511.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11515011106979 - 2⁸ = 11515011106723 is a prime.

It is not a weakly prime, because it can be changed into another prime (11515011103979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5757505553489 + 5757505553490.

It is an arithmetic number, because the mean of its divisors is an integer number (5757505553490).

Almost surely, 2^{11515011106979} is an apocalyptic number.

11515011106979 is a deficient number, since it is larger than the sum of its proper divisors (1).

11515011106979 is an equidigital number, since it uses as much as digits as its factorization.

11515011106979 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 85050, while the sum is 47.

The spelling of 11515011106979 in words is "eleven trillion, five hundred fifteen billion, eleven million, one hundred six thousand, nine hundred seventy-nine".