79115155633 has 2 divisors, whose sum is σ = 79115155634. Its totient is φ = 79115155632.

The previous prime is 79115155631. The next prime is 79115155643. The reversal of 79115155633 is 33655151197.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 79092000289 + 23155344 = 281233^2 + 4812^2 .

It is a cyclic number.

It is not a de Polignac number, because 79115155633 - 2¹ = 79115155631 is a prime.

Together with 79115155631, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (79115155631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39557577816 + 39557577817.

It is an arithmetic number, because the mean of its divisors is an integer number (39557577817).

Almost surely, 2^79115155633 is an apocalyptic number.

It is an amenable number.

79115155633 is a deficient number, since it is larger than the sum of its proper divisors (1).

79115155633 is an equidigital number, since it uses as much as digits as its factorization.

79115155633 is an evil number, because the sum of its binary digits is even.

The product of its digits is 425250, while the sum is 46.

The spelling of 79115155633 in words is "seventy-nine billion, one hundred fifteen million, one hundred fifty-five thousand, six hundred thirty-three".