11773045811551 has 2 divisors, whose sum is σ = 11773045811552. Its totient is φ = 11773045811550.

The previous prime is 11773045811519. The next prime is 11773045811567. The reversal of 11773045811551 is 15511854037711.

11773045811551 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11773045811551 - 2⁵ = 11773045811519 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11773045811495 and 11773045811504.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11773045881551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5886522905775 + 5886522905776.

It is an arithmetic number, because the mean of its divisors is an integer number (5886522905776).

Almost surely, 2^{11773045811551} is an apocalyptic number.

11773045811551 is a deficient number, since it is larger than the sum of its proper divisors (1).

11773045811551 is an equidigital number, since it uses as much as digits as its factorization.

11773045811551 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 588000, while the sum is 49.

The spelling of 11773045811551 in words is "eleven trillion, seven hundred seventy-three billion, forty-five million, eight hundred eleven thousand, five hundred fifty-one".