79081554103 has 2 divisors, whose sum is σ = 79081554104. Its totient is φ = 79081554102.

The previous prime is 79081554067. The next prime is 79081554107. The reversal of 79081554103 is 30145518097.

It is a strong prime.

It is an emirp because it is prime and its reverse (30145518097) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-79081554103 is a prime.

It is a super-2 number, since 2×79081554103² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 79081554103.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79081554107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39540777051 + 39540777052.

It is an arithmetic number, because the mean of its divisors is an integer number (39540777052).

Almost surely, 2^79081554103 is an apocalyptic number.

79081554103 is a deficient number, since it is larger than the sum of its proper divisors (1).

79081554103 is an equidigital number, since it uses as much as digits as its factorization.

79081554103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 151200, while the sum is 43.

The spelling of 79081554103 in words is "seventy-nine billion, eighty-one million, five hundred fifty-four thousand, one hundred three".