78610011966151 has 2 divisors, whose sum is σ = 78610011966152. Its totient is φ = 78610011966150.

The previous prime is 78610011966097. The next prime is 78610011966173. The reversal of 78610011966151 is 15166911001687.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 78610011966151 - 2⁷ = 78610011966023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (78610011976151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39305005983075 + 39305005983076.

It is an arithmetic number, because the mean of its divisors is an integer number (39305005983076).

Almost surely, 2^{78610011966151} is an apocalyptic number.

78610011966151 is a deficient number, since it is larger than the sum of its proper divisors (1).

78610011966151 is an equidigital number, since it uses as much as digits as its factorization.

78610011966151 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 544320, while the sum is 52.

The spelling of 78610011966151 in words is "seventy-eight trillion, six hundred ten billion, eleven million, nine hundred sixty-six thousand, one hundred fifty-one".