71256154338107 has 2 divisors, whose sum is σ = 71256154338108. Its totient is φ = 71256154338106.

The previous prime is 71256154338097. The next prime is 71256154338151. The reversal of 71256154338107 is 70183345165217.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 71256154338107 - 2¹⁶ = 71256154272571 is a prime.

It is a super-2 number, since 2×71256154338107² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (71256154338407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35628077169053 + 35628077169054.

It is an arithmetic number, because the mean of its divisors is an integer number (35628077169054).

Almost surely, 2^{71256154338107} is an apocalyptic number.

71256154338107 is a deficient number, since it is larger than the sum of its proper divisors (1).

71256154338107 is an equidigital number, since it uses as much as digits as its factorization.

71256154338107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4233600, while the sum is 53.

The spelling of 71256154338107 in words is "seventy-one trillion, two hundred fifty-six billion, one hundred fifty-four million, three hundred thirty-eight thousand, one hundred seven".