11723009036551 has 2 divisors, whose sum is σ = 11723009036552. Its totient is φ = 11723009036550.

The previous prime is 11723009036539. The next prime is 11723009036567. The reversal of 11723009036551 is 15563090032711.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11723009036551 - 2¹³ = 11723009028359 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11723009036498 and 11723009036507.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11723009036581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5861504518275 + 5861504518276.

It is an arithmetic number, because the mean of its divisors is an integer number (5861504518276).

Almost surely, 2^{11723009036551} is an apocalyptic number.

11723009036551 is a deficient number, since it is larger than the sum of its proper divisors (1).

11723009036551 is an equidigital number, since it uses as much as digits as its factorization.

11723009036551 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 170100, while the sum is 43.

The spelling of 11723009036551 in words is "eleven trillion, seven hundred twenty-three billion, nine million, thirty-six thousand, five hundred fifty-one".