8074501612081 has 2 divisors, whose sum is σ = 8074501612082. Its totient is φ = 8074501612080.

The previous prime is 8074501612061. The next prime is 8074501612087. The reversal of 8074501612081 is 1802161054708.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6849238581025 + 1225263031056 = 2617105^2 + 1106916^2 .

It is a cyclic number.

It is not a de Polignac number, because 8074501612081 - 2²⁹ = 8073964741169 is a prime.

It is a super-2 number, since 2×8074501612081² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (8074501612087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4037250806040 + 4037250806041.

It is an arithmetic number, because the mean of its divisors is an integer number (4037250806041).

Almost surely, 2^{8074501612081} is an apocalyptic number.

It is an amenable number.

8074501612081 is a deficient number, since it is larger than the sum of its proper divisors (1).

8074501612081 is an equidigital number, since it uses as much as digits as its factorization.

8074501612081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 107520, while the sum is 43.

Adding to 8074501612081 its reverse (1802161054708), we get a palindrome (9876662666789).

The spelling of 8074501612081 in words is "eight trillion, seventy-four billion, five hundred one million, six hundred twelve thousand, eighty-one".