11620542064697 has 2 divisors, whose sum is σ = 11620542064698. Its totient is φ = 11620542064696.

The previous prime is 11620542064639. The next prime is 11620542064727. The reversal of 11620542064697 is 79646024502611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6542320377616 + 5078221687081 = 2557796^2 + 2253491^2 .

It is a cyclic number.

It is not a de Polignac number, because 11620542064697 - 2⁶ = 11620542064633 is a prime.

It is not a weakly prime, because it can be changed into another prime (11620542064297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5810271032348 + 5810271032349.

It is an arithmetic number, because the mean of its divisors is an integer number (5810271032349).

Almost surely, 2^{11620542064697} is an apocalyptic number.

It is an amenable number.

11620542064697 is a deficient number, since it is larger than the sum of its proper divisors (1).

11620542064697 is an equidigital number, since it uses as much as digits as its factorization.

11620542064697 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4354560, while the sum is 53.

The spelling of 11620542064697 in words is "eleven trillion, six hundred twenty billion, five hundred forty-two million, sixty-four thousand, six hundred ninety-seven".