72402255153187 has 2 divisors, whose sum is σ = 72402255153188. Its totient is φ = 72402255153186.

The previous prime is 72402255153169. The next prime is 72402255153223. The reversal of 72402255153187 is 78135155220427.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72402255153187 is a prime.

It is not a weakly prime, because it can be changed into another prime (72402255153127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36201127576593 + 36201127576594.

It is an arithmetic number, because the mean of its divisors is an integer number (36201127576594).

Almost surely, 2^{72402255153187} is an apocalyptic number.

72402255153187 is a deficient number, since it is larger than the sum of its proper divisors (1).

72402255153187 is an equidigital number, since it uses as much as digits as its factorization.

72402255153187 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4704000, while the sum is 52.

The spelling of 72402255153187 in words is "seventy-two trillion, four hundred two billion, two hundred fifty-five million, one hundred fifty-three thousand, one hundred eighty-seven".