78465555301153 has 2 divisors, whose sum is σ = 78465555301154. Its totient is φ = 78465555301152.

The previous prime is 78465555301051. The next prime is 78465555301183. The reversal of 78465555301153 is 35110355556487.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48840362233744 + 29625193067409 = 6988588^2 + 5442903^2 .

It is a cyclic number.

It is not a de Polignac number, because 78465555301153 - 2¹³ = 78465555292961 is a prime.

It is not a weakly prime, because it can be changed into another prime (78465555301183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39232777650576 + 39232777650577.

It is an arithmetic number, because the mean of its divisors is an integer number (39232777650577).

Almost surely, 2^{78465555301153} is an apocalyptic number.

It is an amenable number.

78465555301153 is a deficient number, since it is larger than the sum of its proper divisors (1).

78465555301153 is an equidigital number, since it uses as much as digits as its factorization.

78465555301153 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 37800000, while the sum is 58.

The spelling of 78465555301153 in words is "seventy-eight trillion, four hundred sixty-five billion, five hundred fifty-five million, three hundred one thousand, one hundred fifty-three".