79123261501451 has 2 divisors, whose sum is σ = 79123261501452. Its totient is φ = 79123261501450.

The previous prime is 79123261501393. The next prime is 79123261501489. The reversal of 79123261501451 is 15410516232197.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 79123261501451 - 2¹⁸ = 79123261239307 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 79123261501396 and 79123261501405.

It is not a weakly prime, because it can be changed into another prime (79123261501051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39561630750725 + 39561630750726.

It is an arithmetic number, because the mean of its divisors is an integer number (39561630750726).

Almost surely, 2^{79123261501451} is an apocalyptic number.

79123261501451 is a deficient number, since it is larger than the sum of its proper divisors (1).

79123261501451 is an equidigital number, since it uses as much as digits as its factorization.

79123261501451 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 453600, while the sum is 47.

The spelling of 79123261501451 in words is "seventy-nine trillion, one hundred twenty-three billion, two hundred sixty-one million, five hundred one thousand, four hundred fifty-one".