11761225420663 has 2 divisors, whose sum is σ = 11761225420664. Its totient is φ = 11761225420662.

The previous prime is 11761225420661. The next prime is 11761225420699. The reversal of 11761225420663 is 36602452216711.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11761225420663 - 2¹ = 11761225420661 is a prime.

It is a super-2 number, since 2×11761225420663² (a number of 27 digits) contains 22 as substring.

Together with 11761225420661, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11761225420661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5880612710331 + 5880612710332.

It is an arithmetic number, because the mean of its divisors is an integer number (5880612710332).

Almost surely, 2^{11761225420663} is an apocalyptic number.

11761225420663 is a deficient number, since it is larger than the sum of its proper divisors (1).

11761225420663 is an equidigital number, since it uses as much as digits as its factorization.

11761225420663 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 725760, while the sum is 46.

The spelling of 11761225420663 in words is "eleven trillion, seven hundred sixty-one billion, two hundred twenty-five million, four hundred twenty thousand, six hundred sixty-three".