79040501101 has 2 divisors, whose sum is σ = 79040501102. Its totient is φ = 79040501100.

The previous prime is 79040501081. The next prime is 79040501129. The reversal of 79040501101 is 10110504097.

It is an a-pointer prime, because the next prime (79040501129) can be obtained adding 79040501101 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43170035076 + 35870466025 = 207774^2 + 189395^2 .

It is a cyclic number.

It is not a de Polignac number, because 79040501101 - 2⁵ = 79040501069 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 79040501101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79040501801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39520250550 + 39520250551.

It is an arithmetic number, because the mean of its divisors is an integer number (39520250551).

Almost surely, 2^79040501101 is an apocalyptic number.

It is an amenable number.

79040501101 is a deficient number, since it is larger than the sum of its proper divisors (1).

79040501101 is an equidigital number, since it uses as much as digits as its factorization.

79040501101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1260, while the sum is 28.

The spelling of 79040501101 in words is "seventy-nine billion, forty million, five hundred one thousand, one hundred one".