7215078085151 has 2 divisors, whose sum is σ = 7215078085152. Its totient is φ = 7215078085150.

The previous prime is 7215078085147. The next prime is 7215078085213. The reversal of 7215078085151 is 1515808705127.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7215078085151 - 2² = 7215078085147 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7215078085151.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7215078085351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3607539042575 + 3607539042576.

It is an arithmetic number, because the mean of its divisors is an integer number (3607539042576).

Almost surely, 2^{7215078085151} is an apocalyptic number.

7215078085151 is a deficient number, since it is larger than the sum of its proper divisors (1).

7215078085151 is an equidigital number, since it uses as much as digits as its factorization.

7215078085151 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 784000, while the sum is 50.

The spelling of 7215078085151 in words is "seven trillion, two hundred fifteen billion, seventy-eight million, eighty-five thousand, one hundred fifty-one".