7612780436101 has 2 divisors, whose sum is σ = 7612780436102. Its totient is φ = 7612780436100.

The previous prime is 7612780436083. The next prime is 7612780436123. The reversal of 7612780436101 is 1016340872167.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5521907815876 + 2090872620225 = 2349874^2 + 1445985^2 .

It is a cyclic number.

It is not a de Polignac number, because 7612780436101 - 2⁵ = 7612780436069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7612780436161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3806390218050 + 3806390218051.

It is an arithmetic number, because the mean of its divisors is an integer number (3806390218051).

Almost surely, 2^{7612780436101} is an apocalyptic number.

It is an amenable number.

7612780436101 is a deficient number, since it is larger than the sum of its proper divisors (1).

7612780436101 is an equidigital number, since it uses as much as digits as its factorization.

7612780436101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 338688, while the sum is 46.

The spelling of 7612780436101 in words is "seven trillion, six hundred twelve billion, seven hundred eighty million, four hundred thirty-six thousand, one hundred one".